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Process of Increasing the Quality and Volume of Oil in Wells and Removing the Oil Therefrom.
Patent for a method for drawing a higher quality and grade of oil from a well through the combination with gas trapped in the well.
Date:
May 9, 1922
Creator:
Hallmark, Elmer C.
System:
The Portal to Texas History
Dish Washing Machine
Patent for "new and useful machine improvements for washing dishes and other articles" (lines 9-11).
Date:
May 16, 1916
Creator:
Randolph, Hallie H.
System:
The Portal to Texas History