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Fishhook.
Patent for a fishhook that allows for a swiveling motion that does not interfere with the connection to the fishing line.
Date:
December 20, 1921
Creator:
King, James Manning
System:
The Portal to Texas History
Well-Drilling Tool.
Patent for a bit that can be attached to a rotary tool for drilling wells. It features a means for using water to dislodge any accumulated mud from the tool.
Date:
April 5, 1921
Creator:
Clore, Franklin H.
System:
The Portal to Texas History