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Primary view of Well-Tubing Catcher
Wilson, Robert A.
April 12, 1921
Primary view of Well-Drilling Device.
Smith, Primus W. & Bookhout, John J.
March 1, 1921
Primary view of Well-Drilling Bit.
Midgett, Penelton G.
August 16, 1921
Primary view of Embroidery-Needle.
Pade, George V. & Neitzel, Conrad T.
March 15, 1921
Primary view of Book-Support and Writing-Table.
Taylor, Henry S.
May 10, 1921
Primary view of Vehicle-Body
Wieman, Herman A,
March 29, 1921
Primary view of Mechanical Riding-Horse.
Finley, David Guy
January 25, 1921
Primary view of Oil-Stove
Cook, Thomas Edward
May 10, 1921
Primary view of Paint and Varnish Removing Process.
Cleveland, David P.
March 1, 1921
Primary view of Motor- Driven Tire- Pump
Guthrey Gordon N.
February 8, 1921
Primary view of Underreamer.
Montgomery, Gustavus A.
February 15, 1921
Primary view of Liquid or Gaseous Fuel Burning Furnace.
Hoover, Orvill Lockwood Mead
March 1, 1921
Primary view of Needle for Hand-Embroidery and Similar Work.
Pade, George V. & Neitzel, Conrad T.
March 15, 1921
Primary view of Perpetual Calendar.
Jones, L. Walter
February 1, 1921
Primary view of Game.
Sterling, Don L.
January 11, 1921
Primary view of Water-Heater.
Fowles, Alfred T.
June 21, 1921
Primary view of Tractor.
Martin, John J.
May 24, 1921
Primary view of Abrading Element For Tire-Patch Containers
Duffy, Jesse A.
January 4, 1921
Primary view of Current-Motor.
Rebman, Johan J.
February 15, 1921
Primary view of Elevator Controlling Device
Quick, Charles F.
September 13, 1921
Primary view of Drill-Bit
Smith, Primus W.; Bookhout, John J. & Monce, Edwin W.
January 11, 1921
Primary view of Removable Pass-Book.
Exline, Marcus P.
May 3, 1921
Primary view of Screen Fastener
McCaffrey, Horace
February 22, 1921
Primary view of Pump for Hydraulic Presses
Henry, Nelson B.
May 10, 1921
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