Well-Casing Extractor
Description:
Patent for a well-casing extractor that provides gripping rollers for engaging the casing, provides a supporting frame for the movable parts of the apparatus, and provides the means to drive the rollers by power or hand.
Date:
August 16, 1921
Creator:
Price, Filmore M.
Item Type:
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Patent
Partner:
UNT Libraries Government Documents Department