Texas Patents - 6 Matching Results

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Primary view of Device for Making Vessels Invisible.
Chaddick, Mark
July 15, 1919
Primary view of Dirigible Headlight
Simpson, Hall B. & Hood, Dewitt
December 16, 1919
Primary view of Electrically-Heated Boiler
Fleming, George
November 25, 1919
Primary view of Internal-Combustion Engine.
Ward, John Price
June 17, 1919
Primary view of Rotary Engine.
Campbell, William L.
January 8, 1919
Primary view of Window-Shade-Operating Device
Minnis, Henry M.
December 16, 1919
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