Internal Pipe-Gripper
Description:
Patent for "new and useful Improvements in Internal Pipe-Grippers" (lines 6-7) such as "an improved tool for removing pipes or casings from drilled wells (lines 14-15) including instructions and illustrations.
Date:
August 5, 1913
Creator:
McConnell, Scott R.
Item Type:
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Partner:
UNT Libraries Government Documents Department