3 Matching Results

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Wrench

Description: Patent for a tool to enable its user to turn certain objects, such as nuts and bolts, efficiently.
Date: January 9, 1917
Creator: Bonelli, Liborio C.
Partner: UNT Libraries Government Documents Department

Safety-Valve Mechanism for Pneumatic Tires.

Description: Patent for useful improvements on safety valve mechanism for Pneumatic Tires. This invention constructs a mechanism to control air pressure within the tire in order to prevent bursting from over charging, heating, sudden compression is avoided.
Date: January 31, 1917
Creator: Gebhardt, William C.
Partner: UNT Libraries Government Documents Department

Basin-Protector

Description: Patent for a flexible basin lining that improves sanitation in areas where washrooms are often-used and rarely cleaned.
Date: January 23, 1917
Creator: Van Dunker, Charles L.
Partner: UNT Libraries Government Documents Department
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