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Shelving

Description: Patent for a shelving unit designed to display books for sale in a storefront, including illustrations.
Date: June 22, 1920
Creator: Wieman, Herman A.
Partner: UNT Libraries Government Documents Department

Screen Fastener

Description: Patent for the attachment method for wire screens to a frame to prevent the detachment of the wire screen from the frame.
Date: February 22, 1921
Creator: McCaffrey, Horace
Partner: UNT Libraries Government Documents Department

Drill-Bit.

Description: Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.
Date: June 22, 1920
Creator: Midgett, Penelton G.
Partner: UNT Libraries Government Documents Department

Clutch and Transmission Device

Description: Patent for new and useful improvements in the development of clutch and transmission devices.
Date: February 22, 1921
Creator: Hubbard, Adra M.
Partner: UNT Libraries Government Documents Department
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