Texas Patents - 13 Matching Results

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Primary view of Adding-Machine.
Brooks, Augustus J.
March 21, 1893
Primary view of Process of Making Lubricants.
Hudnall, Millard Stewart
March 26, 1901
Primary view of Automatic Device for Cutting Off the Flow of Ait Through Oil-Pipes
Tucker, Thomas A.
March 21, 1916
Primary view of Drill-Collar.
Myers, George S.
March 16, 1915
Primary view of Card Holder
Hill, L. W.
March 4, 1919
Primary view of Vacuum-Regulator for Oil-Pumps.
Hobb, James W.
March 12, 1918
Primary view of Pump
Perry, Sherman V.
March 19, 1918
Primary view of Toy Aeroplane.
Paul, Leon R.
March 15, 1921
Primary view of Power-Transmitting Mechanism.
Grubb, Orin A.
March 11, 1919
Primary view of Pipe-Tongs
Hill, Richard Dennie
March 9, 1920
Primary view of Sack-Protector.
Roer, William A.
March 4, 1919
Primary view of Calk Attachment For Horseshoes
Douglas, John Davies
March 29, 1921
Primary view of Friction Transmission Mechanism.
McDermott, Henry
March 28, 1921
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