Resource Type
Counties
3 Matching Results
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Basin-Protector
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.
System:
The Portal to Texas History
Wrench
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.
System:
The Portal to Texas History
Safety-Valve Mechanism for Pneumatic Tires.
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.
System:
The Portal to Texas History