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Liquid-Measuring Device
Patent for a device that determines the amount of liquid (particularly gasoline and oil) that flows from its glass container with the end of facilitating the exchange of goods, including illustrations.
Date:
May 25, 1920
Creator:
Meredith, John Dewitt
System:
The Portal to Texas History
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