Sling-Shot. (open access)

Sling-Shot.

Patent for a sling shot that is more durable, efficient, and less likely to break. Includes instructions and one illustration.
Date: July 13, 1920
Creator: Jones, Ralph L.
System: The Portal to Texas History
Reversing Mechanism For Engines. (open access)

Reversing Mechanism For Engines.

Patent for improvements in "reversing mechanism for engines, where the operating lever may be supported in such a manner as to substantially eliminate lost motion, and where the reverse lever may be operated with greater convenience and facility." (lines 11-17).
Date: December 5, 1916
Creator: Wagner, Warren
System: The Portal to Texas History
Monkey Wrench (open access)

Monkey Wrench

Patent for a type of monkey wrench in which the movable jaw of the wrench is mounted upon the fixed jaw so that it is easily shifted upon the disengagement of a detent for the fixed jaw. This allows the wrench to be held in any desired adjusted position with relation to the fixed jaw.
Date: October 18, 1912
Creator: Joseph Mensik
System: The Portal to Texas History
Headwear (open access)

Headwear

Patent for headwear. Illustrations included.
Date: August 23, 1904
Creator: Brown, Bettie
System: The Portal to Texas History
Oil-Well Drill (open access)

Oil-Well Drill

Patent for an Oil-Well Drill with the "...object of the invention being to provide means to prevent the drill from becoming unscrewed from the drill rod and dropping into the bottom of the well" (lines 12-16).
Date: December 29, 1916
Creator: Parker, Roy B. & Spurlock, Robert C.
System: The Portal to Texas History
Pistol- Holster (open access)

Pistol- Holster

Patent for a pistol holder. The holder will secure the pistol in the position that it should be in, at all times.
Date: January 4, 1916
Creator: Parrish, Byron B.
System: The Portal to Texas History
Oven (open access)

Oven

Patent for an oven that cooks evenly and at a higher heat than other ovens with the same amount of fuel.
Date: October 8, 1912
Creator: Seale, Jefferson W.
System: The Portal to Texas History
Permutation-Lock. (open access)

Permutation-Lock.

Patent for "new and useful improvements in permutation-locks." (Lines 6-7) This lock is specifically designed to protect delivered milk bottles from theft.
Date: November 13, 1917
Creator: Kirkpatrick, Otey R.
System: The Portal to Texas History
Cut-Off Lock (open access)

Cut-Off Lock

Patent for gasoline cutoff for motor vehicles. Allows for vehicle to be still in use or running when left unattended, but will prevent it from being stolen.
Date: January 9, 1917
Creator: Reid, William O.
System: The Portal to Texas History
Roller Bearing (open access)

Roller Bearing

Patent for Roller Bearing
Date: January 2, 1917
Creator: Galbraith, David G.
System: The Portal to Texas History
Gate (open access)

Gate

Patent for gates "suspended on rollers and mounted on a track."
Date: May 5, 1914
Creator: Butler, Joseph F.
System: The Portal to Texas History
Electric Connection for Automobile-Lamps. (open access)

Electric Connection for Automobile-Lamps.

Patent for electric connection for automobile lamps that has an improvement in electric connections or plugs for incandescent electric-lamps for automobiles.
Date: September 11, 1917
Creator: Kearby, John Gallatin & Robinson, Zephaniah
System: The Portal to Texas History
Display-Stand. (open access)

Display-Stand.

Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
System: The Portal to Texas History
Device for Tying and Untying Packages. (open access)

Device for Tying and Untying Packages.

Patent for a device to easily secure and release cords used to bind packages, including instructions and illustrations.
Date: February 25, 1913
Creator: Galbraith, David G.
System: The Portal to Texas History
Device for Hanging Wall-Paper. (open access)

Device for Hanging Wall-Paper.

Patent for a device for hanging wall paper that includes a paper holder and paper brush/roller.
Date: February 13, 1912
Creator: Randle, Millard F.
System: The Portal to Texas History
Derrick. (open access)

Derrick.

Patent for a portable derrick "in which the derrick-frame is rotatable, the same being especially adapted for use in handling bales of cotton, baggage, ice, and other heavy articles." (Lines 14-17) Includes instructions and illustrations.
Date: March 9, 1897
Creator: Stallings, George V.
System: The Portal to Texas History
Cotton Thinning Plow (open access)

Cotton Thinning Plow

Patent for cotton thinning plow. Illustration included.
Date: January 1, 1907
Creator: Edgin, William Alaxander
System: The Portal to Texas History
Cradle. (open access)

Cradle.

Patent for an improved cradle with a hinged locking enclosure for providing protection against an infant falling out, intrusion of insects, excess sun, and inclement weather.
Date: October 31, 1916
Creator: Vanék, Joseph
System: The Portal to Texas History
Baling Press (open access)

Baling Press

Patent for a baling press. Illustration included.
Date: May 3, 1904
Creator: Key, William C. & Frost, Harvey N.
System: The Portal to Texas History
Baling-Press. (open access)

Baling-Press.

Patent for a new type of baling press, including illustrations.
Date: August 25, 1903
Creator: Choat, Isom Rufus
System: The Portal to Texas History