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Primary view of Indicator for Vehicles.
Hutchison, William F., Sr.
December 30, 1919
Primary view of Tunneling-Machine.
Dana, Frank L.
December 30, 1919
Primary view of Windmill Pipe Attachment
Boerner, Fredrick W.
December 30, 1919
Primary view of Water-Gage.
Leidecker, Helmoth M.
December 30, 1919
Primary view of Tread for Pneumatic Tires.
Twombly, Royal W.
September 30, 1919
Primary view of Pump.
Graf, Sydney H.
September 30, 1919
Primary view of Pump
Humason, Granville A.
December 30, 1919
Primary view of Portable Elevator
Kees, Homer Robert & Thomas, Elbert Franklin
April 30, 1919
Primary view of Railway Gate.
Norman, Cornelius A.
December 30, 1919
Primary view of Pipe Puller
Heckman, J.
September 30, 1919
Primary view of Pipe Tongs.
Fletcher, Harold W.
January 30, 1919
Primary view of Agricultural Machine.
Northcutt, John & Crawford, Miner
December 30, 1919
Primary view of Self-Cleaning Pump-Valve
Graf, Sydney H.
September 30, 1919
Primary view of Dirigible Headlight
Fleming, John A.
December 30, 1919
Primary view of Gate Latch
McKnight, Sam B.
December 30, 1919
Primary view of Drill-Bit.
Humason, Granville A.
December 30, 1919
Primary view of Rotary Boring-Drill.
Humason, Granville A.
December 30, 1919
Primary view of Railroad-Switch.
Hester, James
December 30, 1919
Primary view of Rail-Joint
Sheppard, Robert B.
December 30, 1919
Primary view of Flexible Brace
Smith, George W.
September 30, 1919
Primary view of Combination Drill Bit and Drill Shank
Humason, Granville A.
December 30, 1919
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