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Primary view of Lock-Washer.
Medbery, Clinton A.
June 8, 1920
Primary view of Liquid-Fuel Burner.
Bittner, Emil R.
June 8, 1920
Primary view of Windmill.
Cryer, Henry M.
February 8, 1921
Primary view of Wire-Stretcher.
Sanderson, Auther L.
November 8, 1921
Primary view of Boat.
Greer, John C.
March 8, 1921
Primary view of Wheel Tread.
Ingram, Joseph D.
February 8, 1921
Primary view of Spike-Extractor
Hector, Olinthus H.
March 8, 1921
Primary view of Oil-Burner.
Daily, William T.
March 8, 1921
Primary view of Motor- Driven Tire- Pump
Guthrey Gordon N.
February 8, 1921
Primary view of Casing-Elevator.
Boyter, Arthur J.
November 8, 1921
Primary view of Plow.
Wendtland, William Sr.
June 8, 1920
Primary view of Ignition Device.
Wood, Robert N.
June 8, 1920
Primary view of Sample-Taking Device.
Huston, Sidney H.
June 8, 1920
Primary view of Screening Device for Oil-Wells.
Houston, Sidney H.
June 8, 1920
Primary view of Blackboard.
Grothaus, Julia
March 8, 1921
Primary view of Bracket.
Wright, Joseph Hansel
June 8, 1920
Primary view of Blow-Out Boot.
Williams, George G.
November 8, 1921
Primary view of Detachable Washer
Dubbs, Sylvester S.
August 8, 1922
Primary view of Building Construction.
Walker, Isham P.
November 8, 1921
Primary view of Attachment for Gun-Slings
Grierson, Benjamin Henry
November 8, 1921
Primary view of Insect Catcher
Ryan, William C. & Ruhmann, Grover C.
November 8, 1921
Primary view of Dressing Block.
Montgomery, Gustavus A.
November 8, 1921
Primary view of Well-Drill Wrench.
Ellinger, William H.
November 8, 1921
Primary view of Stub-Axle Adjustment Device.
Kopplin, Otto E.
November 8, 1921
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