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3 Matching Results
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Wrench.
Patent for a nut wrench with a sliding jaw.
Date:
January 24, 1911
Creator:
Mansfield, Charles L. & Matthews, Robert E.
System:
The Portal to Texas History
Trap-Gun.
Patent for a trap gun, which is placed in a trap and fires when bait is disturbed which will only go off when the bait is tampered with and can turn to follow an animals movements in the trap.
Date:
March 24, 1908
Creator:
Lovelace, Charles D.
System:
The Portal to Texas History
Flying-Machine
Patent for a monoplane flying machine. Illustrations included.
Date:
September 24, 1912
Creator:
Smith, Thomas Noah
System:
The Portal to Texas History