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Primary view of Knife.
Oertli, Henri
July 13, 1920
Primary view of Valve-Grinder.
Ralston, John
July 13, 1920
Primary view of Valve Control for Radiator Drain-Cocks.
Brandt, Herman
July 27, 1920
Primary view of Key-Ring Clip.
Evans, William
July 6, 1920
Primary view of Wood Rod Elevator
Davis, George F.
July 27, 1920
Primary view of Well Cable-Pump
Fender, Joe N.
July 27, 1920
Primary view of Hydrocarbon-Burner.
St. Wrba, Joseph J.
July 27, 1920
Primary view of Speed-Recorder.
Bowdish, Harry A.
July 27, 1920
Primary view of Process of Producing Prints on Metal.
Snow, Philo V.
July 13, 1920
Primary view of Pump.
Humason, Granville Allison
July 6, 1920
Primary view of Method of Sampling.
Carmichael, Robert E.
July 20, 1920
Primary view of Paper-Cutting Machine.
Downie, James H.
July 27, 1920
Primary view of Surgical Splint.
Renois, John J.
July 13, 1920
Primary view of Paint.
Watson, Grover C.
July 20, 1920
Primary view of Plow.
Zebranek, Joseph
July 30, 1920
Primary view of Pneumatic Tire.
Drouet, Charles
July 20, 1920
Primary view of Pneumatic Tire.
Church, Shelby L.
July 13, 1920
Primary view of Method and Apparatus for Coating Pipes, Bars, Angles, and the Like.
Watrous, Edward L.
July 13, 1920
Primary view of Cotton-Chopper Attachment for Cultivators.
Martin, William A. & Roebuck, Mathew P.
July 27, 1920
Primary view of Sling-Shot.
Jones, Ralph L.
July 13, 1920
Primary view of Rotary-Drill Head.
Johnston, Horace G.
July 27, 1920
Primary view of Signal.
Cochran, Carl T.
July 20, 1920
Primary view of Demountable-Rim-Fasting Means.
Spero, David Lawrence
July 20, 1920
Primary view of Detachable Fastener for Cylindrical Screens.
Leach, William Logan
July 20, 1920
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