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Primary view of Valve-Lifter For Automobiles
Patterson, George G.
February 15, 1921
Primary view of Internal Combustion Engine.
Blumberg, Hamilton G.
February 15, 1921
Primary view of Windmill.
Cryer, Henry M.
February 8, 1921
Primary view of Well Screen.
McLean, Marrs
February 1, 1921
Primary view of Well-Drilling Machine.
Bradshaw, Albert Cidney
February 22, 1921
Primary view of Building-Block.
Pace, Vara L.
February 1, 1921
Primary view of Wheel Tread.
Ingram, Joseph D.
February 8, 1921
Primary view of Trap.
Wigington, William L.
February 1, 1921
Primary view of Wheelwright-Machine.
Gosett, Allen Davis
February 13, 1921
Primary view of Motor- Driven Tire- Pump
Guthrey Gordon N.
February 8, 1921
Primary view of Union-Garment
Hook, Thomas Wesley
February 15, 1921
Primary view of Washboiler
Patterson, Thomas Allison.
February 22, 1921
Primary view of Trolley Wheel
Horton, Walter F. & Larson, Raymond G.
February 8, 1921
Primary view of Underreamer.
Montgomery, Gustavus A.
February 15, 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 Pipe-Painting Machine
McNulty, Charlie A.
February 15, 1921
Primary view of Perpetual Calendar.
Jones, L. Walter
February 1, 1921
Primary view of Cultivator Attachment.
Turner, Edwin E.
February 1, 1921
Primary view of Current-Motor.
Rebman, Johan J.
February 15, 1921
Primary view of Steering-Wheel Lock.
Gerfers, Richard P.
February 15, 1921
Primary view of Transmission-Gearing.
Blumberg, Hamilton G.
February 15, 1921
Primary view of Piston for Deep Well Pumps
Humason, Granville A.; Bashara, Sam F. & Barraco, Paul J.
February 22, 1921
Primary view of Strain Jacket for Telephone Poles
McKnight, William M.
February 22, 1921
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