18 Matching Results

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Mechanical Movement.

Description: Patent for a mechanical movement, which reduces the level of power needed to operate a mechanical motor pump for wells.
Date: July 2, 1907
Creator: Kirby, William Buckingham
Partner: UNT Libraries Government Documents Department

Pan-Lifter.

Description: Patent for a pan lifter, which also can be used to open the door of the oven.
Date: July 12, 1910
Creator: Kelly, Sallie Ruth
Partner: UNT Libraries Government Documents Department

Plow-Point Attachment

Description: Patent for an attachment for the point of a plow that protects the point from wear and tear, especially in soil that is sandy.
Date: July 18, 1916
Creator: Trout, Calvin L.
Partner: UNT Libraries Government Documents Department
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