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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.
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.
System:
The Portal to Texas History
Telegraph-Repeater
Patent for a telegraph repeater. This invention improves repeaters by eliminating lag by simplifying the apparatus which increases capacity and clarity in transmission by maintaining a larger current strength.
Date:
June 24, 1919
Creator:
McKibben, Charles W.
System:
The Portal to Texas History
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.
System:
The Portal to Texas History
Drill-Bit
Patent for Drill-Bit that is especially designed for purpose of drilling through rock, or other hard formations and is also adapted for use in drilling through softer formation, such as shell.
Date:
June 10, 1919
Creator:
Culmore, March J. A.
System:
The Portal to Texas History
Rotary Cutter for Roller Drills
Patent for an improvement in rotary cutters for roller-drills. Improvement includes a secure locking mechanism upon bushing as it is related to author's prior patent for drill cutters.
Date:
June 16, 1919
Creator:
Godbold, Louis A.
System:
The Portal to Texas History
Road-Surfacing Machine.
Patent for improvements to road surfacing machines, "specially designed for applying a surface of concrete or other similar material to roads and streets,... spreading the surfacing material over the foundation of the roadway," (lines 13-17) and "tamping said material, so as to give a true and even surface" (lines 18-19), including illustrations and instructions.
Date:
June 10, 1919
Creator:
Reynolds, Robert E.
System:
The Portal to Texas History