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Pipe Puller

Description: Patent for a pipe puller design to be used in wells.
Date: September 30, 1919
Creator: Heckman, J.
Partner: UNT Libraries Government Documents Department

Pipe-Holder

Description: Patent for a pipe-holder that is designed "to provide a novel, conveniently operated, effective and compact pipeholder" (line 8-10).
Date: July 7, 1919
Creator: Heckman, James
Partner: UNT Libraries Government Documents Department
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