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Plow
Patent for improvements of plows and their agricultural implementation.
Date:
July 9, 1901
Creator:
Kothmann, William H.
System:
The Portal to Texas History
Apparatus For Destroying Insects
Patent for an apparatus for destroying boll weevils on cotton. Illustration included.
Date:
July 26, 1904
Creator:
Jones, Albert Lee
System:
The Portal to Texas History
Pipe-Clamp.
Patent for a pipe clamp for drawing well casings out of wells that can be used on different size pipes and grips harder as resistance increases.
Date:
July 23, 1907
Creator:
Benedict, George Spencer
System:
The Portal to Texas History