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Pecan-Cracker.

Description: Patent for a nut cracker designed especially with pecans in mind. It crushes the pecan shell without damaging the kernel inside.
Date: May 29, 1917
Creator: Black, William L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Coupling.

Description: Patent for improvements to couplings for windmills specifically "for use in connecting the pump rod to the reciprocal rod of the windmill, so as to permit reciprocation of the wind mill rod independently of movement of the pump rod, and which also will permit the relatively quick and easy change from windmill power to engine power, such as gasolene engine or the like, for pumping water from wells" (lines 9-17) including instructions and illustrations.
Date: March 29, 1921
Creator: Regenier, John G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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