Patent for a railway switch to be operated by foot and without structural change to existing construction.

Patent for a furnace to be used in engines. Illustrations included.

Patent for a device that will quickly exchange mail bags between a moving train and a station.

This booklet provides details of the San Antonio Conference on Bilingual--Bicultural Education held on March 28 and 29, 1969.

Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.

Patent for throttling the gasoline supply of a motor which is particularly adapted for connection with automobiles or vehicles.

Patent for "a commode which may be placed in a bed-room or other suitable place in a house without .danger to occupants on account of disease which would be superinduced by the presence of impure odors, as would be the case where an ordinary receptacle is used" and where the solid and liquid waste would be separated (lines 26-36).

Patent for washing gravel and other material for making concrete.

Patent for improvements made to tub holders, primarily to suit tubs of various sizes for heating water. Purposes for holding tubs include boiling water for clothes and food. The improvements focus on support of the tubs, and allow for rotation of tubs with ease and efficiency.

Patent for a nut removing device. This device is designed for the removing of lug nuts from vehicle wheels. Illustration included.

Patent for a new and useful food compound for use in cooking as condiments.

Patent for a biplane design that has improved lift, steering, stability, and landing, including illustrations.

Patent for an improved, cost-effective method of releasing ship hulls from a mold via "hydrostatic means and floating said hull into the launching bay or channel" (lines 19-21) without the need for exterior scaffolding, including illustrations.

Patent for an improved concrete hull mold that allows for durable and efficient hull molding without the need for scaffolding or disassembly once complete, with a dual-wall design that allows an intermediate work chamber during the molding process, including illustrations.

Patent for an automatic repeating railroad-signal designed to be used with semaphore and other train-signaling apparatus. It eliminates mistakes made in notifying the central office and automatically reports "any change in the position or color of the signal to a central office over the ordinary telegraph-wire" (lines 14-16). The signal is a wheel that operates a key to send a message to the central office.

Patent for a bar bending appliance.

Patent for improvements for Tire-Inflating Pumps, mainly those adapted for automobiles, including illustrations.

Patent for a new and improved plow. This design consists in "[t]he combination, with the axle having the landside-wheel and the larger inclined furrow-wheel, of the tongue, the vertical bars secured to the under side of the tongue, the lower ends of the bars being clipped to the axle and adjustable laterally thereon, the curved brace clipped at its ends to the axle and between its ends to the lower ends of the bars, and the plow and its operating lever" (lines 73-82).

Patent for a type of storage battery that is "simple in construction, light in weight, durable in operation, and not liable to injury or deterioration", and that can be charged easily multiple times, Patent includes instructions and an illustration.

Patent for a new and improved ant trap. This design "relates to apparatus . . . in which a vessel having an open bottom, but closed top and sides, and containing a furnace for burning obnoxious substances, is projected into or made to form a close joint with the ground, and which has a fan or pump combined with it that causes the fumes from the furnace to enter the ant-holes in the ground. [They] have been . . . attended with so many disadvantages . . . [t]he object of [the] invention is to remove these defects . . . [it] shall be efficient, durable, and labor-saving" (lines 8-25).

Patent for a new and improved drilling tool for wells. This design "relates to tools for drilling or boring Artesian, oil, and other deep wells; and it has for its object to prevent the loss of drill or auger or any portion of the drill-rods. With this end in view the invention consists in the improved means for connecting the tool to the lower end of the drill-rod" (lines 9-15).

Patent for a street traffic signal that can be operated from either the center of the intersection, or the curb.

Patent for a fireproof construction system for buildings. Illustrations included.

Patent for a refrigeration apparatus "in which a continuous operation is maintained by means of a current of ether or other volatile fluid which liquefies at a low temperature." (Lines 18-21) Includes instructions and illustrations.