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All Patents in class 82/106
Patents 1 - 15 of 68
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NumberDatePatenteeTitleType
770,381Sep. 20, 1904S. McMillenMechanism for Turning Wrist Pins, &c.metalworking machines
1,372,075Mar. 22, 1921L.J. KirchenbauerCrank Pin Lathecrank pin lathes
1,528,972Mar. 10, 1925W.F. GroeneLathe of the Type Generally Referred to as Crank Shaft Lathecrankshaft lathes
1,633,633Jun. 28, 1927W.F. GroeneCrank Shaft Lathescrankshaft lathes
RE17,040Jul. 17, 1928L.J. KirchenbauerCrank Pin Lathecrank pin lathes
1,700,721Jan. 29, 1929W.F. GroeneCenter Drive Lathecrankshaft lathes
1,744,885Jan. 28, 1930H.J. Siekmann, W.F. GroeneMachine Toolmachine tool controls
1,843,359Feb. 02, 1932W.F. GroeneDouble Center Drive Crank Shaft Lathecrankshaft lathes
RE18,662Nov. 22, 1932H.J. Siekmann, W.F. GroeneMachine Toolmachine tool controls
1,921,919Aug. 08, 1933W.F. GroeneOrbital Lathecrankshaft lathes
1,934,530Nov. 07, 1933W.F. GroeneMachine Toolcrank pin lathes
1,934,976Nov. 14, 1933G.W. Luning, W.F. GroeneCrank Shaft Lathecrankshaft lathes
1,938,696Dec. 12, 1933W.F. GroeneMachine Toolmachine mechanisms
1,993,994Mar. 12, 1935H.J. Siekmann, W.F. GroeneOrbital Lathemachine mechanisms
1,993,995Mar. 12, 1935H.J. Siekmann, W.F. GroeneOrbital Lathemachine mechanisms
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