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Primary view of Vignetting Attachment for Multiple-Exposure Cameras.
Moine, Selest E.
April 5, 1921
Primary view of Well-Drilling Tool.
Clore, Franklin H.
April 5, 1921
Primary view of Safety-Razor
Benton, Columbus A.
July 5, 1921
Primary view of Washing-Machine
Seifert, John W.
April 5, 1921
Primary view of Watch Belt-Buckle.
Perry, Charles, Jr. & Currie, Neil
July 5, 1921
Primary view of Sample-Taking Device
Dodds, Redus D.
April 5, 1921
Primary view of Traction Device.
Houston, Hugh Edward
July 5, 1921
Primary view of Railroad-Tie
Jones, Charles James
July 5, 1921
Primary view of Digging-Machine.
Holly, Charles
April 5, 1921
Primary view of Automobile-Spring.
Jones, George Chester & Jones, George C.
July 5, 1921
Primary view of Automatic Separator and Evaporator.
Allen, Charles
April 5, 1921
Primary view of Animal-Trap
Brewington, Philip Jennings
April 5, 1921
Primary view of Aircraft
Johnson, Louis V.
April 5, 1921
Primary view of Valve.
Spencer, Elmer H.
July 5, 1921
Primary view of Peanut-Digger.
Stevens, Shed P.
July 5, 1921
Primary view of Rubber Razor.
Billingsley, Rennie E.
July 5, 1921
Primary view of Fire-Extinguisher for Aeroplanes and the Like.
Clark, Walter C.
July 5, 1921
Primary view of Sanitary Bed-Spring Cover.
Luedecke, Henry H.
July 5, 1921
Primary view of Means For Protecting Vaults.
Bumpass, Leonard E.
April 5, 1921
Primary view of Priming-Cup
Martinek, Stanley A.
April 5, 1921
Primary view of Paving Apparatus.
Stubbs, Robert C.
July 5, 1921
Primary view of Mower.
Nelson, John Bryon
July 5, 1921
Primary view of Boll Weevil Catcher
Ploch, Alex
July 5, 1921
Primary view of Garment-Hanger.
Morton, John R.
April 5, 1921
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