Gin-Saw-Sharpening Machine (open access)

Gin-Saw-Sharpening Machine

Patent for improvements of gin saw sharpening machines.
Date: June 28, 1887
Creator: Behan, William & Friensehner, Paul
System: The Portal to Texas History
Electric Release Mechanism (open access)

Electric Release Mechanism

Patent for an electric release mechanism. This invention is designed to allow the main signal to sound an alarm by the fire telegraph to open doors restraining horses. Illustration included.
Date: August 28, 1906
Creator: Ochs, Jack
System: The Portal to Texas History
Rat Trap (open access)

Rat Trap

Patent for a rat trap. Illustration included.
Date: December 28, 1909
Creator: Turnbo, Lycurgus S.
System: The Portal to Texas History
Incandescent Lamp (open access)

Incandescent Lamp

Patent for incandescent lamp. Illustration included.
Date: December 28, 1909
Creator: Crutchfield, Charles H. & Deshong, Andrew W.
System: The Portal to Texas History
Combination Furnace and Cook-Stove (open access)

Combination Furnace and Cook-Stove

Patent for combination furnace and cook-stove designed to burn charcoal and conserve fuel.
Date: June 28, 1921
Creator: Weaver, Bertha H.
System: The Portal to Texas History