| All Patents in class 82/109 |
Patents 1 -
15
of 46
      |
| Number | Date | Patentee | Title | Type |
| 649,374 | May 08, 1900 | O. Albrecht, A. Tindel | Metal Turning Lathe | crank pin lathes |
| 660,978 | Oct. 30, 1900 | O. Albrecht, A. Tindel | Crank Pin Turning Attachment for Lathes | metal lathe accessories and attachments |
| 920,420 | May 04, 1909 | J.L. Bogert | Crank-axle lathe | metal lathes |
| 1,617,403 | Feb. 15, 1927 | J.E. Lovely | Automatic Compensating Chuck | metal lathe chucks |
| 1,723,347 | Aug. 06, 1929 | W.F. Groene | Chucking Device for Crank Shafts | metal lathe chucks |
| 1,748,672 | Feb. 25, 1930 | W.F. Groene | Chuck in machine tools | metal lathe chucks |
| 1,843,359 | Feb. 02, 1932 | W.F. Groene | Double Center Drive Crank Shaft Lathe | crankshaft lathes |
| 1,878,130 | Sep. 20, 1932 | W.F. Groene | Chucking Device | metal lathe chucks |
| 1,878,131 | Sep. 20, 1932 | W.F. Groene | Crank Shaft Lathe | crankshaft lathes |
| RE18,662 | Nov. 22, 1932 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,934,975 | Nov. 14, 1933 | W.F. Groene | Chucking Device | metal lathe chucks |
| 1,952,423 | Mar. 27, 1934 | H. Ernst, A.H. Dall | Grinding Machine | grinding machines |
| 2,030,020 | Feb. 04, 1936 | W.R. Meyer, W.F. Groene | Chuck | metal lathe chucks |
| 2,030,142 | Feb. 11, 1936 | G.W. Luning, W.F. Groene | Chuck | metal lathe chucks |
| RE19,905 | Mar. 31, 1936 | G.W. Luning, W.F. Groene | Crank Shaft Lathe | crankshaft lathes |
