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Primary view of Internal Combustion Engine
Simpson, Joseph Ryan.
August 9, 1921
Primary view of Traffic Signal.
Jones, Theodoric
May 9, 1922
Primary view of Hot-Air Mixer
Ingraham, Jerome H.
March 9, 1920
Primary view of Means for Automatically Inflating Pneumatic Tires.
Cooper, Jowel Cecil
November 9, 1920
Primary view of Pipe-Tongs
Hill, Richard Dennie
March 9, 1920
Primary view of Peanut-Harvester
Goodrum, Thomas J.
November 9, 1920
Primary view of Furnace.
Ewing, William E.
March 9, 1920
Primary view of Wire-Forming Machine.
Werner, Henry E. & Mitchell, Jordan H.
March 9, 1920
Primary view of Derrick.
Babek, Frank
June 9, 1920
Primary view of Curtain for Vehicles.
Schwarz, Henry W.
November 9, 1920
Primary view of Hat Shape Retainer and Loss Preventing Device.
Huling, Clint Henry
March 9, 1920
Primary view of Hay-Press.
Powell, Walter E. & Powell, Rosa E.
November 9, 1920
Primary view of Harrow
McConal, Wiliam
August 9, 1921
Primary view of Rotary Well-Drilling Machine
Taylor, William Henry
August 9, 1921
Primary view of Process of Increasing the Quality and Volume of Oil in Wells and Removing the Oil Therefrom.
Hallmark, Elmer C.
May 9, 1922
Primary view of Chimney Cowl.
Jezŏva, Mary
November 9, 1920
Primary view of Cultivating-Hoe.
Church, Ralph D.
August 9, 1921
Primary view of Bandage
Kirwan, Leah M.
August 9, 1921
Primary view of Automobile-Signal.
Cobb, Albert C.
August 9, 1921
Primary view of Ditch-Filling Machine
Witt, William C.
August 9, 1921
Primary view of Charcoal-Burning Apparatus.
McGee, William H.
August 9, 1921
Primary view of Automatically-Operated Gate and Door
Brown, George W.
April 9, 1921
Primary view of Wire-Stretcher
Frank, Fred
August 9, 1921
Primary view of Lock For Radiator Caps.
Brown, Francis Nathaniel, Jr.
May 9, 1922
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