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Primary view of Inlet-Grate
Fairtrace, George D.
November 30, 1920
Primary view of Wrench.
Fowles, Alfred T.
November 30, 1920
Primary view of Work Engaging Support for Surface Treating Machines
Clark, Alex A.
January 13, 1920
Primary view of Improvements to Storage House Aerating System
Vaughan, Robert B. & Love, Ralph M.
February 2, 1920
Primary view of Ventilated Body-Garment.
Jenkins, William M. & Vaughan, William H.
December 28, 1920
Primary view of Well Cable-Pump
Fender, Joe N.
July 27, 1920
Primary view of Hulling-Machine
Sparks, James N.
March 30, 1920
Primary view of Huller
Vardell, Arthur A. & Highland Gee Vardell
December 21, 1920
Primary view of Process of Producing Prints on Metal.
Snow, Philo V.
July 13, 1920
Primary view of Process of Producing Tire-Patch Material.
Duffy, Clarence O.
May 11, 1920
Primary view of Process of Removing Surface Finish
Cleveland, David P.
October 5, 1920
Primary view of Oil-Expressing Cage and Press.
Henry, Nelson B.
October 26, 1920
Primary view of Surface-Treating Machine
Clarke, Alex A.
October 19, 1920
Primary view of Surface-Treating Machine.
Clarke, Alex A.
October 19, 1920
Primary view of Surface-Treating Device.
Clarke, Alex A.
September 14, 1920
Primary view of Surface-Treating Machine.
Clarke, Alex A.
September 14, 1920
Primary view of Surface-Treating Machine
Clarke, Alex A.
February 7, 1920
Primary view of Surgical Splint
Crawford, Lyter H. & Prante, John H.
December 14, 1920
Primary view of Surface-Treating Device.
Clark, Alex A.
October 19, 1920
Primary view of Prepay Time-Controlled-Service Apparatus.
Thompson, William H. & Thompson, J. D.
May 11, 1920
Primary view of Joint for Metallic Structures.
Rece, Frank S.
September 7, 1920
Primary view of Heating Apparatus.
Cleveland, David P.
August 17, 1920
Primary view of Heater.
Bowlus, Charles F.
September 21, 1920
Primary view of Handle Attachment for Surface-Treating Machines.
Clarke, Alex A.
September 14, 1920
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