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Primary view of Bevel-Square
Seay, Mathew E.
December 9, 1919
Primary view of Internal Pipe-Gripper
McConnell, Scott R.
August 5, 1913
Primary view of Support for Telegraph Line-Wires and the Like.
Wilson, James F.
May 21, 1918
Primary view of Pipe-Tongs.
Meredith, John De Witt
July 21, 1914
Primary view of Device for Recovering Tools from Wells.
Scott, Augustus B.
September 9, 1919
Primary view of Elevator-Wrench
Lebus, George Franklin
October 13, 1914
Primary view of Extension Pedal Attachment
Harrington, Fred
February 16, 1915
Primary view of Rope-Socket.
McConnell, Scott Russell
May 28, 1917
Primary view of Sprinkler
Houston, Hugh Edward
September 7, 1915
Primary view of Automatic Device for Cutting Off the Flow of Ait Through Oil-Pipes
Tucker, Thomas A.
March 21, 1916
Primary view of Cotton-Threshing Machine.
Patterson, Warren A. & Kemp, Joseph A.
November 27, 1917
Primary view of Well-Drill Wrench
Osborne, William Rush & Lebus, George Franklin
February 18, 1913
Primary view of Well Stuffing-Box.
Church, George W.
November 16, 1915
Primary view of Rotary Core-Drill.
Smith, Thomas B.
May 1, 1917
Primary view of Power-Transmitting Mechanism.
Grubb, Orin A.
March 11, 1919
Primary view of Under-Drilling Bit.
English, Harry White
July 15, 1913
Primary view of Two-Cycle Internal-Combustion Engine and Method of Operating Engines of this Type.
McKiearnan, Charles A.
May 26, 1914
Primary view of Gas-Burning Stove.
Ziegler, John C,
November 10, 1914
Primary view of Underreamer.
Wagner, Warren
December 9, 1913
Primary view of Pipe Clamping Device
Lincoln, Robert A.
August 25, 1915
Primary view of Well Drilling Apparatus.
Thorniley, Clarence W. & Thorniley, Charles, D.
January 14, 1919
Primary view of Rifle.
Brannon, Virgil C.
January 14, 1919
Primary view of Well Drilling Apparatus.
Thorniley, Clarence W.
April 17, 1914
Primary view of Route-Indicator.
Cranmer, Howard
November 13, 1917
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