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Ventilator.

Description: Patent for a new and useful ventilator, including instructions and illustrations.
Date: February 27, 1900
Creator: Schumacher, Robert H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Hawk-Traps

Description: 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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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