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Primary view of Churn
Jarnigan, Thomas J.
February 15, 1915
Primary view of Bascule-Bridge
McKibben, Columbus
February 15, 1915
Primary view of Air-Pump
Causey, Thomas S. & Kelley, Robert B.
July 15, 1915
Primary view of Crimping-Machine
Humphreys, Jerome Nichols
August 15, 1915
Primary view of Pump
Sherman, J. M.
June 15, 1915
Primary view of Coffin
Arnold, Price
June 15, 1915
Primary view of Lever-Latch.
Smith, Asa E.
June 15, 1915
Primary view of Measuring Device
Giese, Willy
June 15, 1915
Primary view of Plate for Secondary Batteries.
Luthy, Joseph O.
June 15, 1915
Primary view of Spring-Wheel.
Gebhardt, William
June 15, 1915
Primary view of Socket Attachment for Harness
Westerman, Augustus H.
February 15, 1915
Primary view of Rotary Boring-Drill.
Hughes, Howard R.
May 15, 1915
Primary view of Rotary Drill.
Hughes, Howard R.
June 15, 1915
Primary view of Gripping Device for Well-Boring Apparatus
Myers, George S.
June 15, 1915
Primary view of Rotary-Disk Boring-Drill.
Hughes, Howard R.
June 15, 1915
Primary view of Demountable Cutting Edge for Drilling Tools.
Hughes, Howard R.
June 15, 1915
Primary view of Cutter for Rotary Boring-Drills.
Hughes, Howard R.
June 15, 1915
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