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Primary view of Automatic Pipe Coupling
Childs, William L.
September 2, 1919
Primary view of Valve Remover.
Ingram, George W.
December 2, 1919
Primary view of Vehicle
Menning, Otto H.
July 1, 1919
Primary view of Truck.
Thomas, Theodore G.
November 17, 1919
Primary view of Linotype and Intertype
Sundstrom, Herman T.
February 11, 1919
Primary view of Jack.
Singleton, James D.
July 22, 1919
Primary view of Vehicle-Indicator
McManus, Lewis R.
August 19, 1919
Primary view of Load-Indicator.
Fletcher, Harold W.
November 25, 1919
Primary view of Tunneling-Machine.
Dana, Frank L.
December 30, 1919
Primary view of Well-Screen Washer and Perforator.
Wilkirson, Aaron L.
March 25, 1919
Primary view of Well-Boring Apparatus
Headrick, James O.
September 2, 1919
Primary view of Well-Screen.
Mack, James O.
June 3, 1919
Primary view of Wire-Tightener.
Wilson, James G.
June 24, 1919
Primary view of Well Capping Device.
Thrift, Homer C.
December 2, 1919
Primary view of Tractor
Fisher, Guy B.
July 22, 1919
Primary view of Steam-Generating Plant
Connelley, Edward
March 6, 1919
Primary view of Mail Delivery Apparatus
Cobb, Albert C.
December 16, 1919
Primary view of Tool Joint
Fletcher, H. W.
April 15, 1919
Primary view of Pump.
Carmichael, Robert E.
February 1, 1919
Primary view of Process of and Apparatus for Treating Oil
Seibert, Frank M. & Brady, John D.
January 7, 1919
Primary view of Pump.
Graf, Sydney H.
September 30, 1919
Primary view of Method of Operation for the Separation of Liquids.
McKibben, Charles W.
March 11, 1919
Primary view of Pump
Humason, Granville A.
December 30, 1919
Primary view of Method of Separating Associated Liquids.
McKibben, Charles W.
April 8, 1919
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