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Coupling.
Patent for a coupling to be used by military vehicles, unique in its "simplicity, rapidity in attachment and detachment, strength and durability" (lines 19-21).
Date:
May 24, 1921
Creator:
Speece, Russell. W.
System:
The Portal to Texas History
Punch.
Patent for a metal punch for use on cold metal. It is designed to sit atop a blacksmith's anvil.
Date:
December 24, 1901
Creator:
Tevebaugh, Henry C.
System:
The Portal to Texas History