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Primary view of Underreamer.
Wagner, Warren
December 9, 1913
Primary view of Pipe-Tongs
Hill, Richard Dennie
March 9, 1920
Primary view of Device for Recovering Tools from Wells.
Scott, Augustus B.
September 9, 1919
Primary view of Hay-Press.
Powell, Walter E. & Powell, Rosa E.
November 9, 1920
Primary view of Bevel-Square
Seay, Mathew E.
December 9, 1919
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