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Primary view of Rubber Razor.
Billingsley, Rennie E.
July 5, 1921
Primary view of Truss.
Downie, James H.
April 19, 1921
Primary view of Blade-Holder
Lightfoot, Roy L.
September 27, 1921
Primary view of Rotary Plowshare
Billingsley, Rennie E.
August 30, 1921
Primary view of Eyeglass Mounting
Henderson, W. T.
July 1, 1921
Primary view of Internal Combustion Engine.
Blumberg, Hamilton G.
February 15, 1921
Primary view of Vehicle Body Suspension
Harper, William D.
January 25, 1921
Primary view of Road Building Machine
Austin, Stephen F.
December 6, 1921
Primary view of Trousers.
Reyes, Benjamin Cardenas
June 7, 1921
Primary view of Structural Unit.
Lambert, John Raymond
June 21, 1921
Primary view of Attachment for T-Stands
Adamson, John Selden
August 2, 1921
Primary view of Shock-Absorber.
Swindowsky, Walter
March 8, 1921
Primary view of Highway for Grade-Crossings.
Carter, Kenneth Wilson
September 27, 1921
Primary view of Blackboard.
Grothaus, Julia
March 8, 1921
Primary view of Burner
Kunkel, Albert R.
July 26, 1921
Primary view of Air-Brake and Starter for Automobiles.
Green, Herbert
December 13, 1921
Primary view of Milk-Bottle Cap.
Davis, Ida
October 18, 1921
Primary view of Roller-Distributer.
Lopez, Jesus M.
March 22, 1921
Primary view of Pressure-Screw.
Menger, Edward W.
August 16, 1921
Primary view of Method of Liberating the Fibers of the Agave and Similar Fleshy Plants.
Quijano, Ramon
February 15, 1921
Primary view of Process of Forming Tubes
Rees, Herbert C.
April 19, 1921
Primary view of Glass.
Mitrovich, Adolph
October 11, 1921
Primary view of Process of Forming Individual Foot-Forms and Fitting Shoes Thereon.
Butler, James B.
March 22, 1921
Primary view of Wall-Block.
Hull, John W.
November 29, 1921
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