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Primary view of Hydrocarbon-Burner
Critchett, James C.
April 6, 1920
Primary view of Spark-Arrester.
Ashby, Bert A.
January 27, 1920
Primary view of Process of Vaporizing Liquids and Apparatus Used in Connection Therewith.
McClinktock, Charles David
May 25, 1920
Primary view of Process of Vaporizing Liquids.
McClintock, Charles Davis
December 21, 1920
Primary view of Packing-Gasket
Allison, Jesse H.
November 6, 1920
Primary view of Packet-Holder.
Ashby, Bert
January 27, 1920
Primary view of Mop
Glenn, William H.
November 30, 1920
Primary view of Method and Apparatus for Coating Pipes, Bars, Angles, and the Like.
Watrous, Edward L.
July 13, 1920
Primary view of Overflow Separating Device.
Allen, Charles
October 5, 1920
Primary view of Silo-Door.
Atkins, Thomas, B.
May 25, 1920
Primary view of Slime-Pulp Thickener
Allen, Charles
November 30, 1920
Primary view of Slime-Pulp Thickener
Allen, Charles
August 17, 1920
Primary view of Direction-Indicator.
Gmelin, Ernst W.
March 16, 1920
Primary view of Cylinder-Grinding Attachment For Lathes
Snell, William T.
April 6, 1920
Primary view of Thickener and Means for Removing Settled Solids Therefrom.
Allen, Charles
October 5, 1920
Primary view of Thickener (Sewage Type).
Allen, Charles
March 11, 1920
Primary view of Saw Gaging and Setting Tool.
Barger, Bernard J.
January 20, 1920
Primary view of Saw-Filing Device
Barger, Bernard J.
October 5, 1920
Primary view of Sanitary Cover-Pad for Mattresses.
Callahan, John William & Callahan, Maud B.
May 11, 1920
Primary view of Bed.
Hellweg, Rudolph F.
August 17, 1920
Primary view of Coating Apparatus and Mathod.
Watrous, Edward L.
August 24, 1920
Primary view of Film Winding Attachment
Mansfield, Clarence H.
January 6, 1920
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
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