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Stalk-Cutter.
Patent for a stalk cutter that attaches to a cultivator and will move up if it hits an obstacle.
Date:
May 9, 1911
Creator:
Bird, John L.
System:
The Portal to Texas History
Propeller.
Patent for improvements for a propeller that can be attached to a boat, and do everything it can to work the way a fish's tail does.
Date:
May 26, 1914
Creator:
Stribling, John L.
System:
The Portal to Texas History