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Description: Patent for claw hammer.
Date: October 3, 1916
Creator: Walton, John F.
Partner: UNT Libraries Government Documents Department

Switch-Stand.

Description: Patent for a switch stand that automatically switches to danger when unlocked and has independently rotating switch operating spindles and target spindles.
Date: October 19, 1915
Creator: Praetorius, Richard P.
Partner: UNT Libraries Government Documents Department

Safety Razor

Description: Patent for a safety razor.
Date: October 31, 1916
Creator: Wrede, Albin C.
Partner: UNT Libraries Government Documents Department

Cattle-Guard

Description: Patent for an improved cattle guard with two parts that is adapted to specifically fit either inside the railroad tracks or alongside them.
Date: October 28, 1919
Creator: Fisher, Thomas M.
Partner: UNT Libraries Government Documents Department
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