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All Patents of Type: crankshaft lathes
Patents 1 - 15 of 93
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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
1,664,622Apr. 03, 1928W.F. GroeneCrank Shaft Lathe Chuckmetal lathe chucks
1,700,721Jan. 29, 1929W.F. GroeneCenter Drive Lathecrankshaft lathes
1,723,347Aug. 06, 1929W.F. GroeneChucking Device for Crank Shaftsmetal lathe chucks
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
1,878,131Sep. 20, 1932W.F. GroeneCrank Shaft Lathecrankshaft lathes
RE18,662Nov. 22, 1932H.J. Siekmann, W.F. GroeneMachine Toolmachine tool controls
1,906,577May 02, 1933W.F. GroeneSteady Rest for Crank Shaft Lathesmetalworking machine mechanisms
1,921,919Aug. 08, 1933W.F. GroeneOrbital Lathecrankshaft lathes
1,934,976Nov. 14, 1933G.W. Luning, W.F. GroeneCrank Shaft Lathecrankshaft lathes
1,938,696Dec. 12, 1933W.F. GroeneMachine Toolmetalworking machine mechanisms
1,993,994Mar. 12, 1935H.J. Siekmann, W.F. GroeneOrbital Lathemetalworking machine mechanisms
1,993,995Mar. 12, 1935H.J. Siekmann, W.F. GroeneOrbital Lathemetalworking machine mechanisms
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