Latest content added for UNT Digital Library Searchhttps://digital2.library.unt.edu/search/?t=fulltext&fq=str_location_county%3AWilliamson+County%2C+TX2020-07-01T08:02:25-05:00UNT LibrariesThis is a custom feed for searching UNT Digital Library SearchBurglar-Alarm2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258075/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258075/"><img alt="Burglar-Alarm" title="Burglar-Alarm" src="https://texashistory.unt.edu/ark:/67531/metapth1258075/thumbnail/"/></a></p><p>Patent for improvements in burglar alarms, with horns and sirens.</p>Ensilage-Packer for Silos.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257766/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257766/"><img alt="Ensilage-Packer for Silos." title="Ensilage-Packer for Silos." src="https://texashistory.unt.edu/ark:/67531/metapth1257766/thumbnail/"/></a></p><p>Patent for a device in "which the center and edges" of a silo "will be packed with equal firmness and solidity" (lines 14-16) of materials, including an illustration and description of the device.</p>Adjusting and Locking Device for Skid Chains.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257000/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257000/"><img alt="Adjusting and Locking Device for Skid Chains." title="Adjusting and Locking Device for Skid Chains." src="https://texashistory.unt.edu/ark:/67531/metapth1257000/thumbnail/"/></a></p><p>Patent for anti-skid chains for use on automobile wheels and tires which may be locked to prevent slipping.</p>Automobile Attachment2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259182/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259182/"><img alt="Automobile Attachment" title="Automobile Attachment" src="https://texashistory.unt.edu/ark:/67531/metapth1259182/thumbnail/"/></a></p><p>Patent for an automobile attachment designed to utilize the power produced by motorized engines for various farming implements.</p>Fly Catcher2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259274/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259274/"><img alt="Fly Catcher" title="Fly Catcher" src="https://texashistory.unt.edu/ark:/67531/metapth1259274/thumbnail/"/></a></p><p>Patent for the fly catcher. This invention comprehends the provision of a fly trap embodying a chute through which livestock may pass and have flies that circulate around them being scared or brushed off of them and causing them to enter a trap. Illustrations are provided.</p>Cotton-Chopper2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257642/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257642/"><img alt="Cotton-Chopper" title="Cotton-Chopper" src="https://texashistory.unt.edu/ark:/67531/metapth1257642/thumbnail/"/></a></p><p>Patent for treating soil for agricultural purposes. This invention destroys the ridges used for planting and growing cotton and also cultivating the soil in the vicinity of the ridges.</p>Incubator2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1259087/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1259087/"><img alt="Incubator" title="Incubator" src="https://texashistory.unt.edu/ark:/67531/metapth1259087/thumbnail/"/></a></p><p>Patent for an incubator designed to maintain temperature automatically.</p>Spring Wheel.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256470/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256470/"><img alt="Spring Wheel." title="Spring Wheel." src="https://texashistory.unt.edu/ark:/67531/metapth1256470/thumbnail/"/></a></p><p>Patent for new and useful improvements in spring wheels sufficient to enable it to successfully stand up under the shocks and jars to which such wheels are ordinarily subjected, while at the same time having all the wearing qualities and resiliency of the pneumatic tire.</p>Gearing.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1256568/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1256568/"><img alt="Gearing." title="Gearing." src="https://texashistory.unt.edu/ark:/67531/metapth1256568/thumbnail/"/></a></p><p>Patent for a speed transmission device that simply and efficiently changes the gears in an automobile especially at fluctuating speeds.</p>Waterproof Car-Door.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258125/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258125/"><img alt="Waterproof Car-Door." title="Waterproof Car-Door." src="https://texashistory.unt.edu/ark:/67531/metapth1258125/thumbnail/"/></a></p><p>Patent for a freight car door of "strong, durable, and inexpensive construction which will be water and air tight, and which will be practically indestructible in case of a wreck" (lines 17-20) including illustrations.</p>Work Clamp.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258390/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258390/"><img alt="Work Clamp." title="Work Clamp." src="https://texashistory.unt.edu/ark:/67531/metapth1258390/thumbnail/"/></a></p><p>Patent for an improved work clamp. The inventor claimed that the clamp was meant to be universal, allowing for several clamped pieces of material to be secured simultaneously for welding or other joining methods. The tool was meant to facilitate complex construction in a variety of machinery repair facilities and markets.</p>Wire-Straightening Tool.2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258992/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258992/"><img alt="Wire-Straightening Tool." title="Wire-Straightening Tool." src="https://texashistory.unt.edu/ark:/67531/metapth1258992/thumbnail/"/></a></p><p>Patent for a wire straightening tool, with illustrations, that relies on a series of levers and cams to apply pressure to the wire as it is pulled through. The patent notes that "the wires can be straightened quickly and with facility, thereby permitting the using of all twisted and bent wire which has heretofore gone to waste and resulting in considerable saving of metal" (page 2, lines 14-18).</p>Tool-Heater2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257376/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257376/"><img alt="Tool-Heater" title="Tool-Heater" src="https://texashistory.unt.edu/ark:/67531/metapth1257376/thumbnail/"/></a></p><p>Patent for tool heaters "adapted to heat a soldering iron by gas" (lines 9-10) to increase the heat applied to the tool, including illustrations.</p>Shoe2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257365/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257365/"><img alt="Shoe" title="Shoe" src="https://texashistory.unt.edu/ark:/67531/metapth1257365/thumbnail/"/></a></p><p>Patent for improving the design and comfort of footwear that uses a fastening strap across the top to allow the user to quickly put on and take off the shoe. The design will also aid in preventing and correcting foot ailments that can occur when the boot or shoe is used in situations that typical cause problems such as long hikes, marches, or standing.</p>Silo2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1258940/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1258940/"><img alt="Silo" title="Silo" src="https://texashistory.unt.edu/ark:/67531/metapth1258940/thumbnail/"/></a></p><p>Patent for a silo that is constructed in sections, making transport more efficient.</p>Railroad-Crossing Signal2020-07-01T08:02:25-05:00https://texashistory.unt.edu/ark:/67531/metapth1257626/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth1257626/"><img alt="Railroad-Crossing Signal" title="Railroad-Crossing Signal" src="https://texashistory.unt.edu/ark:/67531/metapth1257626/thumbnail/"/></a></p><p>Patent for signaling devices designed for use along railroads and grade crossings and meant to be automatically operated upon the approach of a train by giving a visible or audible signal at the crossing which will warn travelers of the approach of the train and calcuated to avoid the occurrence of accidents. The signal device includes a track associated train operated circuit closing device for energizing a bell, flashing light, or signal arm or any other equivalence or suitable signal device located at the crossing.</p>Cotton-Chopper2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth859944/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth859944/"><img alt="Cotton-Chopper" title="Cotton-Chopper" src="https://texashistory.unt.edu/ark:/67531/metapth859944/thumbnail/"/></a></p><p>Patent for an improved cotton-chopper, which includes a vertical swinging movement, as well as a wheel at its base which, and has a chopper shaft that may be depressed by the feet of the operator so that the chopper can operate even on uneven ground.</p>Metallic Roof.2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858401/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858401/"><img alt="Metallic Roof." title="Metallic Roof." src="https://texashistory.unt.edu/ark:/67531/metapth858401/thumbnail/"/></a></p><p>Patent for new and useful improvements to the design of portable metallic roofs, including illustrations.</p>Attachment for Cream-Separators.2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858098/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858098/"><img alt="Attachment for Cream-Separators." title="Attachment for Cream-Separators." src="https://texashistory.unt.edu/ark:/67531/metapth858098/thumbnail/"/></a></p><p>A patent for a strainer rack attachment "which is cheap and simple in construction, which may be very readily attached to the milk bowl supporting stand, and by means of which a strainer may be arranged over the milk bowl or turned back out of the way as desired." (lines 22-27)</p>Apparatus for Burning Lime.2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth857920/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth857920/"><img alt="Apparatus for Burning Lime." title="Apparatus for Burning Lime." src="https://texashistory.unt.edu/ark:/67531/metapth857920/thumbnail/"/></a></p><p>Patent for improvements in apparatus for burning lime. To provide reliable and efficient means to extract all the heat units from fuel to be used by providing an increase draft and long blaze.</p>Wedge Cutter2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth859607/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth859607/"><img alt="Wedge Cutter" title="Wedge Cutter" src="https://texashistory.unt.edu/ark:/67531/metapth859607/thumbnail/"/></a></p><p>Patent for a device that cuts wood into different sized wedges. This is a device used in the construction industry.</p>Machine for Crushing Cotton-Bolls2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858012/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858012/"><img alt="Machine for Crushing Cotton-Bolls" title="Machine for Crushing Cotton-Bolls" src="https://texashistory.unt.edu/ark:/67531/metapth858012/thumbnail/"/></a></p><p>Patent for a tool to improve cotton processing machines.</p>Corn Popper2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858195/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858195/"><img alt="Corn Popper" title="Corn Popper" src="https://texashistory.unt.edu/ark:/67531/metapth858195/thumbnail/"/></a></p><p>Patent for corn-popper improvement by connecting to the cover of the popper a rotating agitating blade which would prevent the corn within from burning.</p>Punch.2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858883/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858883/"><img alt="Punch." title="Punch." src="https://texashistory.unt.edu/ark:/67531/metapth858883/thumbnail/"/></a></p><p>Patent for a punch tool used for cutting metal or other objects. The tool’s construction includes pivoted handles and an anvil block for efficient punching with “minimum application of pressure” (lines 13-14).</p>Internal Combustion Engine2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858127/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858127/"><img alt="Internal Combustion Engine" title="Internal Combustion Engine" src="https://texashistory.unt.edu/ark:/67531/metapth858127/thumbnail/"/></a></p><p>Patent for internal combustion engine.</p>Land Marker2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858497/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858497/"><img alt="Land Marker" title="Land Marker" src="https://texashistory.unt.edu/ark:/67531/metapth858497/thumbnail/"/></a></p><p>Patent for land markers that can be used as guides such as for planting.</p>Engine2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth859604/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth859604/"><img alt="Engine" title="Engine" src="https://texashistory.unt.edu/ark:/67531/metapth859604/thumbnail/"/></a></p><p>Patent for internal combustion engine.</p>Grave-Filler.2017-06-23T11:08:18-05:00https://texashistory.unt.edu/ark:/67531/metapth858159/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth858159/"><img alt="Grave-Filler." title="Grave-Filler." src="https://texashistory.unt.edu/ark:/67531/metapth858159/thumbnail/"/></a></p><p>Patent for a grave-filler device that holds dirt from the grave and can be shifted longitudinally from the grave and be titled vertically to refill the grave.</p>Combined Rule and Square.2017-06-16T14:47:33-05:00https://texashistory.unt.edu/ark:/67531/metapth853877/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth853877/"><img alt="Combined Rule and Square." title="Combined Rule and Square." src="https://texashistory.unt.edu/ark:/67531/metapth853877/thumbnail/"/></a></p><p>Patent for new and useful Improvements in Combined Rules and Squares which makes it "possible to form a rigid straight rule or one or more rigid squares" (lines 24-25), including illustration and instructions.</p>Churn2017-06-16T14:47:33-05:00https://texashistory.unt.edu/ark:/67531/metapth853470/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth853470/"><img alt="Churn" title="Churn" src="https://texashistory.unt.edu/ark:/67531/metapth853470/thumbnail/"/></a></p><p>Patent for a vertical dash butter churn with a frame that allows for removal of the receptacle with dash parts still attached to the frame, including illustrations.</p>Automatic Binder Attachment for Hay Presses2017-06-16T14:47:33-05:00https://texashistory.unt.edu/ark:/67531/metapth853658/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth853658/"><img alt="Automatic Binder Attachment for Hay Presses" title="Automatic Binder Attachment for Hay Presses" src="https://texashistory.unt.edu/ark:/67531/metapth853658/thumbnail/"/></a></p><p>Patent for automatic binder attachment for hay presses with accompanying illustrations of the patent.</p>Watering-Trough.2017-06-16T14:47:33-05:00https://texashistory.unt.edu/ark:/67531/metapth853639/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth853639/"><img alt="Watering-Trough." title="Watering-Trough." src="https://texashistory.unt.edu/ark:/67531/metapth853639/thumbnail/"/></a></p><p>Patent for a valve that controls the flow of drinking water from a reservoir or tank into a trough. It can be operated by domestic animals and automatically shuts off when they are finished drinking.</p>Combined Cultivator and Cotton-Chopper.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth514041/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth514041/"><img alt="Combined Cultivator and Cotton-Chopper." title="Combined Cultivator and Cotton-Chopper." src="https://texashistory.unt.edu/ark:/67531/metapth514041/thumbnail/"/></a></p><p>Patent for a combined cultivator and cotton-chopper, to "provide an improved cotton-chopping mechanism which is adapted to be combined with and operated in connection with a sulky-cultivator, whereby a growing crop of cotton may be plowed and chopped or hoed simultaneously" (lines 15-20).</p>Cultivator2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth514314/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth514314/"><img alt="Cultivator" title="Cultivator" src="https://texashistory.unt.edu/ark:/67531/metapth514314/thumbnail/"/></a></p><p>Patent for a cultivator. Illustration included.</p>Cotton-Press.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth514319/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth514319/"><img alt="Cotton-Press." title="Cotton-Press." src="https://texashistory.unt.edu/ark:/67531/metapth514319/thumbnail/"/></a></p><p>Patent for a cotton press, which can be run with either wormed gearing or beveled gearing depending on the pressure desired to be exerted on the cotton.</p>Cover.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth513849/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth513849/"><img alt="Cover." title="Cover." src="https://texashistory.unt.edu/ark:/67531/metapth513849/thumbnail/"/></a></p><p>Patent for a dust cover for mattresses and pillows, which is smooth when in place and is washable.</p>Cotton-Cultivator.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511436/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511436/"><img alt="Cotton-Cultivator." title="Cotton-Cultivator." src="https://texashistory.unt.edu/ark:/67531/metapth511436/thumbnail/"/></a></p><p>Patent for a cotton cultivator, which scratches the stalks of each cotton plant to stunt the plants growth and increase its cotton yield.</p>Corn and Cotton Planter.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511168/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511168/"><img alt="Corn and Cotton Planter." title="Corn and Cotton Planter." src="https://texashistory.unt.edu/ark:/67531/metapth511168/thumbnail/"/></a></p><p>Patent for certain new and useful improvements in corn an cotton planters. This design is to " provide the same with a sweep or plow which travels in front of the seeder or planter mechanism to open a furrow" (line 13 - 16).</p>Churn.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511255/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511255/"><img alt="Churn." title="Churn." src="https://texashistory.unt.edu/ark:/67531/metapth511255/thumbnail/"/></a></p><p>Patent for a churn with a better support device than previous churns.</p>Corn Or Cotton Planter.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth508149/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth508149/"><img alt="Corn Or Cotton Planter." title="Corn Or Cotton Planter." src="https://texashistory.unt.edu/ark:/67531/metapth508149/thumbnail/"/></a></p><p>Patent for a new and useful corn or cotton planter, including instructions and illustrations.</p>Car-Coupling2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511598/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511598/"><img alt="Car-Coupling" title="Car-Coupling" src="https://texashistory.unt.edu/ark:/67531/metapth511598/thumbnail/"/></a></p><p>Patent for a car-coupling that "will greatly simplify the construction and facilitate the operation thereof by providing levers upon the end of the car" (lines 14-17); including illustration and instructions</p>Baling-Press.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511650/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511650/"><img alt="Baling-Press." title="Baling-Press." src="https://texashistory.unt.edu/ark:/67531/metapth511650/thumbnail/"/></a></p><p>Patent for a new and useful baling press, including instructions and illustrations.</p>Corn or Cotton Planter.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511733/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511733/"><img alt="Corn or Cotton Planter." title="Corn or Cotton Planter." src="https://texashistory.unt.edu/ark:/67531/metapth511733/thumbnail/"/></a></p><p>Patent for a new, improved combined corn and cotton planter, including illustrations.</p>Convertible Churn And Ice-Cream Freezer.2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511914/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511914/"><img alt="Convertible Churn And Ice-Cream Freezer." title="Convertible Churn And Ice-Cream Freezer." src="https://texashistory.unt.edu/ark:/67531/metapth511914/thumbnail/"/></a></p><p>Patent for a new and useful convertible churn and ice cream freezer, including instructions and illustrations.</p>Cotton Chopper2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth511951/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth511951/"><img alt="Cotton Chopper" title="Cotton Chopper" src="https://texashistory.unt.edu/ark:/67531/metapth511951/thumbnail/"/></a></p><p>Patent for a cotton chopper. Illustration included.</p>Band Cutter2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth512824/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth512824/"><img alt="Band Cutter" title="Band Cutter" src="https://texashistory.unt.edu/ark:/67531/metapth512824/thumbnail/"/></a></p><p>Patent for a band cutter. This invention is designed to cut bale-ties on cotton bales. Illustration included.</p>Acetylene-Gas Generator2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth512850/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth512850/"><img alt="Acetylene-Gas Generator" title="Acetylene-Gas Generator" src="https://texashistory.unt.edu/ark:/67531/metapth512850/thumbnail/"/></a></p><p>Patent for an acetylene-gas generator which automatically feeds carbid to the generator and in which the gas generated is washed within the bell.</p>Cotton-Topper2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth512263/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth512263/"><img alt="Cotton-Topper" title="Cotton-Topper" src="https://texashistory.unt.edu/ark:/67531/metapth512263/thumbnail/"/></a></p><p>Patent for a cotton topper that can be used as an attachment for a wheeled cultivator. Illustrations included.</p>Horse-Detacher2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth509007/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth509007/"><img alt="Horse-Detacher" title="Horse-Detacher" src="https://texashistory.unt.edu/ark:/67531/metapth509007/thumbnail/"/></a></p><p>Patent for a horse detacher that easily connects and unconnects to the swingletree.</p>Derailing Frog2014-10-16T06:42:47-05:00https://texashistory.unt.edu/ark:/67531/metapth509053/<p><a href="https://texashistory.unt.edu/ark:/67531/metapth509053/"><img alt="Derailing Frog" title="Derailing Frog" src="https://texashistory.unt.edu/ark:/67531/metapth509053/thumbnail/"/></a></p><p>Patent for a derailing frog. Illustration included.</p>