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Washer for Well Screens.
Patent for improvements in a washer for well screens relating to oil wells, using a fluid conducting tube, to be let down in a well.
Date:
June 3, 1919
Creator:
Mack, James O.
Object Type:
Patent
System:
The Portal to Texas History
Well-Screen.
Patent for a well-screen formed of perforated pipes for oil production to filter sand and detritus, including illustrations.
Date:
June 3, 1919
Creator:
Mack, James O.
Object Type:
Patent
System:
The Portal to Texas History
Wire-Tightener.
Patent for improvements in wire-tighteners with an illustration. Specifically, the patented improvement is for a "device" that can "be used for the purpose of tightening strands of wire of a wire fence" (lines 11-14).
Date:
June 24, 1919
Creator:
Wilson, James G.
Object Type:
Patent
System:
The Portal to Texas History