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Pipe-Pulling Device.
Patent for a device for pulling pipes from wells without damaging the pipe, with a safety feature in case the pipe breaks.
Date:
September 25, 1917
Creator:
Osborne, William R.
System:
The Portal to Texas History
Pipe Clamping Device
Patent for improvements of a pipe-clamping device which is durable and easy to construct.
Date:
August 25, 1915
Creator:
Lincoln, Robert A.
System:
The Portal to Texas History