Resource Type
Counties
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Pipe-Wrench
Patent for a self-adjustable pipe wrench that actively adapts to the material it is applied to by means of a moveable portion of the gripping jaw, with illustrations and instructions.
Date:
May 28, 1918
Creator:
Moore, Joseph D.
System:
The Portal to Texas History
Cultivator
Patent for cultivator with illustrations and certain improvements on the invention.
Date:
April 9, 1918
Creator:
Whisenant, David A.
System:
The Portal to Texas History