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Window-Shade
Patent for a window shade which can regulate light or ventilation. Illustrations included.
Date:
December 31, 1907
Creator:
Stephenson, Errett B.
System:
The Portal to Texas History
Wheel
Patent for wheel. Illustration included.
Date:
February 14, 1905
Creator:
Cutter, Richard Samuel
System:
The Portal to Texas History
Grab Hook
Patent for a grab hook. This invention is designed to hoist well casings, drill rods, pump rods, and other implements used in drilling. Illustration included.
Date:
April 30, 1907
Creator:
Robinson, Albert W.
System:
The Portal to Texas History