Resource Type

Artificial Hand-Grip. (open access)

Artificial Hand-Grip.

Patent for an improvement to artificial hand-grips that includes a pair of jaws that attaches to an artificial arm and allows wearers to perform various activities.
Date: December 31, 1918
Creator: Corley, Quentin D.
System: The Portal to Texas History
Stovepipe-Fastener. (open access)

Stovepipe-Fastener.

Patent for a stovepipe fastener for the purpose of securing the end of the stovepipe into a sheet metal thimble and preventing the stovepipe being pulled out of the chimney and into the room.
Date: December 31, 1918
Creator: Schuch, Anthony
System: The Portal to Texas History
Concrete Composition (open access)

Concrete Composition

Patent for a formulation of waterproof concrete that utilizes lava rocks.
Date: December 17, 1918
Creator: Charles E. Barglebaugh
System: The Portal to Texas History
Interest-Computing Device. (open access)

Interest-Computing Device.

Patent for a mechanical interest computing device, which is designed to be simple to build, maintain, and operate.
Date: December 10, 1918
Creator: Harris, Ira S.
System: The Portal to Texas History
Disintegrating-Machine. (open access)

Disintegrating-Machine.

Patent for "bodily revolving a mass of fibrous material over a disintegrating member whereby a shearing action is had and the material disintegrated." (lines 13-16)
Date: December 3, 1918
Creator: Patterson, Warren A.
System: The Portal to Texas History