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Mechanism for Hanging Car-Doors and The Like
Patent for a mechanism for hanging car doors and similar objects. The tool reduces the amount of people needed to install a car door or similar object, providing a more efficient installation.
Date:
December 24, 1918
Creator:
Hartough, Edward W.
System:
The Portal to Texas History
Coupling.
Patent for a coupling invention that consists of a detachable key member and locking key member for a valve plug. It is meant to improve couplings for detachable handles of drain-cocks.
Date:
December 3, 1918
Creator:
Copeland, Joe S.
System:
The Portal to Texas History