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5 Matching Results
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Window Or Door Fastener
Patent for fastener used on doors or windows. Illustration included.
Date:
March 7, 1905
Creator:
Lovelace, Charles D.
System:
The Portal to Texas History
Windmill
Patent for a windmill. Illustrations included.
Date:
March 29, 1910
Creator:
De Guire, Frank C.
System:
The Portal to Texas History
Windmill
Patent for windmill "utilizing a horizontally movable wheel" (line 10) that keeps a steady rotation and will have a wing tripping element that can either lock the wings or shift wings at proper time, including instructions and illustrations.
Date:
March 12, 1912
Creator:
Lindsey, James Owen
System:
The Portal to Texas History
Shovel-Digger.
Patent for an improved shovel design.
Date:
March 15, 1921
Creator:
Landrum, Livy P.
System:
The Portal to Texas History
Cut-Off
Patent for a shut off for water supply tanks for cutting off the supply of water and preventing freezing. Illustrations included,
Date:
March 26, 1912
Creator:
Wood, William Thomas
System:
The Portal to Texas History