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Pneumatic Knee Pad

Description: Patent for a pneumatic knee pad. Illustration included.
Date: June 23, 1908
Creator: Gibbs, Paalgo P.
Partner: UNT Libraries Government Documents Department

Headwear

Description: Patent for headwear. Illustrations included.
Date: August 23, 1904
Creator: Brown, Bettie
Partner: UNT Libraries Government Documents Department

Display-Stand.

Description: Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
Partner: UNT Libraries Government Documents Department

Casing Spear

Description: Patent for a casing spear, "to remove casing within a well or removing a tool which may be dropped within the casing," with accompanying illustrations of the patent.
Date: October 23, 1917
Creator: Wagner, Warren
Partner: UNT Libraries Government Documents Department
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