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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
Crossing-Gate.
Patent for improvements to crossing gates through a device that helps facilitate the gates' automatic closing and opening position.
Date:
September 18, 1917
Creator:
Hood, Lemuel L.
System:
The Portal to Texas History