3 Matching Results

Search Results

Results: 1 - 3

Tractor.

Description: Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date: February 10, 1920
Creator: Franklin, Floyd P.
Partner: UNT Libraries Government Documents Department

Separator for Secondary Batteries.

Description: Patent for separators, made of celluloid or similar material, designed to separate secondary or storage batteries in an efficient and affordable way.
Date: February 17, 1920
Creator: Luthy, Josesph O.
Partner: UNT Libraries Government Documents Department

Clamp

Description: Patent for clamps used in framing and forming of concrete construction. The clamps are easily removed and reused eliminating the need for wooden framing used in the past.
Date: February 24, 1920
Creator: Ferguson, William D.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen