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Counties
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Machine for making Water and Oil Screens.
Patent for a new way of making forming "a wire screening surface about a perforated pipe" (lines 67-68) with illustrations.
Date:
November 25, 1913
Creator:
Kreiter, Richard F.; Post, Ernest S.; Roco, Albert L. & Layne, Mahlon E.
System:
The Portal to Texas History
Drill.
Patent for a drill especially adapted for use in rock and earth formations. The drill has a number of separate cutters that are secured onto a head and detachable, which gives the tool many advantages.
Date:
November 4, 1913
Creator:
Weathersby, Fred Richard
System:
The Portal to Texas History
Winding Drum
Patent for an improved winding drum. This uses a different type of adjustable cam that allows for less oscillation and better control of winding and unwinding the cable.
Date:
November 25, 1913
Creator:
Voight, Phillip H. & Kuehne, Oscar C
System:
The Portal to Texas History