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Sash Fastener

Description: Patent for a fastener of simple, reliable for locking a sash at any given point in its path-of-movement upon the window frame, without the use of springs or any other parts.
Date: October 20, 1914
Creator: Shipman, John Davis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automobile-Tire

Description: Patent for the improvement of cushion tires. The improvement produces a more resilient tire, less susceptible to punctures.
Date: October 8, 1918
Creator: Hemphill, Alwynn
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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