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Churn

Description: Patent for a churn designed for churning butter in smaller quantities and preventing foreign objects from entering. Illustrations included.
Date: January 5, 1909
Creator: Bland, William W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Balance-Staff for Watches.

Description: Patent for improvements in balance-staffs for watches by “strengthen and increase the durability of the pivots or journals of the staff while reducing the friction to a minimum” (lines 16-19), included illustration.
Date: May 5, 1891
Creator: Cooper, Jonathan H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Tie

Description: Patent for a metallic tie and fastener designed to replace the wooden tie that was in general use. The purpose of this railroad tie is to secure the rail (preventing spreading) and and to prevent lateral moment (creeping) of the rail when the train is passing over.
Date: July 5, 1921
Creator: Jones, Charles James
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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