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Pump-Jack
Patent for a pump jack for operating the oil well pump rods.
Date:
April 23, 1912
Creator:
Seybert, Guy W.
System:
The Portal to Texas History
Pump Controlling Means
Patent for a pump controlling means. This invention applies even pressures on the discharge line. Illustration included.
Date:
August 23, 1904
Creator:
Small, William
System:
The Portal to Texas History