Resource Type
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3 Matching Results
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Ventilator.
Patent for a new and useful ventilator, including instructions and illustrations.
Date:
February 27, 1900
Creator:
Schumacher, Robert H.
System:
The Portal to Texas History
Improvement in Hawk-Traps
Patent for an "improved trap for catching hawks, owls, and other birds of prey, which shall be so constructed as to adapt it to be attached to a pole or post set in the ground" (para. 4).
Date:
June 27, 1876
Creator:
White, Joseph
System:
The Portal to Texas History
Cultivator and Cotton-Chopper.
Patent for an more efficiently designed cotton chopper.
Date:
April 27, 1886
Creator:
Brown, Thomas Jefferson
System:
The Portal to Texas History