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Primary view of Casing-Elevator.
Boyter, Arthur J.
November 8, 1921
Primary view of Packer for Wells
Fondren, Walter William
June 28, 1921
Primary view of Puncture-Proof Auto-Tire
Fenley, Robert H.
June 14, 1921
Primary view of Portable Forge
Wright, Samuel E.
March 1, 1921
Primary view of Insulator.
Collier, William R.
March 29, 1921
Primary view of Internal-Combustion Motor.
Sanford, Harold M.
March 22, 1921
Primary view of Insecticide-Dispensing Receptacle.
Irwin, Herbert G.
March 1, 1921
Primary view of Plaiting Device.
Knaur, Laura L.
August 2, 1921
Primary view of Underreamer.
Montgomery, Gustavus A.
February 15, 1921
Primary view of Vehicle-Wheel Attachment.
Rodriguez, Mariano Magdaleno
March 1, 1921
Primary view of Oil Trap
Jones, Robert P.
November 22, 1921
Primary view of Liquid or Gaseous Fuel Burning Furnace.
Hoover, Orvill Lockwood Mead
March 1, 1921
Primary view of Hanger For Car-Doors.
Jordan, Charles H.
April 12, 1921
Primary view of Printing Rule and Slug and Type-Form.
Markwell, Andrew E.
January 4, 1921
Primary view of Pipe-Perforator
Dunsworth, George W.
November 29, 1921
Primary view of Pipe-Wrench.
Reed, Clarence E.
January 4, 1921
Primary view of Needle for Hand-Embroidery and Similar Work.
Pade, George V. & Neitzel, Conrad T.
March 15, 1921
Primary view of Mold for Making Fan-Belts.
Hibbs, Cassell D.
December 27, 1921
Primary view of Maternity and Invalid Chair.
Read, Edwin T. & Bartz, Adolph J.
March 22, 1921
Primary view of Method of Liberating the Fibers of the Agave and Similar Fleshy Plants.
Quijano, Ramon
February 15, 1921
Primary view of Pipe and Like Stem.
Crossman, Alvin Amos
February 22, 1921
Primary view of Pencil-Sharpener.
Scougale, Malcolm
March 22, 1921
Primary view of Pipe-Painting Machine
McNulty, Charlie A.
February 15, 1921
Primary view of Portable Electric Saw.
Lange, David C.
June 7, 1921
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