Resource Type

Fastener for Window Screens. (open access)

Fastener for Window Screens.

Patent for a rolling window screen that coils into a protective box and in which the sash is locked in the frame against the tension of the spring roller. Includes instructions and illustrations.
Date: September 22, 1914
Creator: Olson, Joseph M.
System: The Portal to Texas History
Improvement to Clutch (open access)

Improvement to Clutch

Patent for improvements in clutches used in traction vehicles that will allow the vehicle to go forward or in reverse. Instructions and illustrations included.
Date: December 29, 1914
Creator: Holt, Levi J.
System: The Portal to Texas History