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in creator/contributor: "Foster, B. G."  
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Nut Lock

Description: Patent for a nut lock. Illustration included.
Date: August 22, 1905
Creator: Marx, Ernest Max & Moses, Ealy J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pumping Apparatus.

Description: Patent for pumping apparatus. This invention provides a means to elevate liquids by use of compressed air. It is specifically intended for deep oil-wells.
Date: August 25, 1903
Creator: Cain, Francis Charles & Herrenkind, Oscar Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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