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Primary view of Filtering Material.
Müller, Enrique
April 19, 1921
Primary view of Film Winding Attachment
Mansfield, Clarence H.
January 6, 1920
Primary view of Cosmetic Lotion.
Newlyn, Thomas J.
February 28, 1922
Primary view of Crown Setter
Lewis, Samuel Riley
July 6, 1920
Primary view of Apparatus for Separating or Concentrating Ores
Cole, David
August 31, 1920
Primary view of Automatic Density-Indicator for Slime-Pulp Separators.
Allen, Charles
June 22, 1920
Primary view of Combustion Apparatus
Anderson, Robert James
December 14, 1920
Primary view of Building Construction
Trost, Henry Charles
March 14, 1922
Primary view of Automobile-Top.
Stewart, Henry W.
March 2, 1920
Primary view of Automobile-Radiator.
Costelloe, Clinton & Stoll, Sherm G.
June 15, 1920
Primary view of Contact-Shoe for Automatic Train-Stops.
Bulla, Melbern Bernie
March 30, 1920
Primary view of Cleaning Device
Rivers, Charles A. & Stuart, Francis B.
March 29, 1921
Primary view of Locking Device for Motor-Vehicles.
Harris, Robert E.
May 3, 1921
Primary view of Process for Converting Sodium Sulfate to Sodium Sulfid.
Anderson, Robert James
November 22, 1921
Primary view of Metallic Roof.
Crawford, Hezekiah H.
February 21, 1922
Primary view of Metal-Working Device.
Bussel, Herman
August 16, 1921
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