| All Patents in class 82/109 |
Patents 1 -
10
of 46
      |
| Picture | Number | Date | Patentee | Title |
| | 649,374 | May 08, 1900 | O. Albrecht, A. Tindel | Metal Turning Lathe |
| | 660,978 | Oct. 30, 1900 | O. Albrecht, A. Tindel | Crank Pin Turning Attachment for Lathes |
 | 920,420 | May 04, 1909 | J.L. Bogert | Crank-axle lathe |
| | 1,617,403 | Feb. 15, 1927 | J.E. Lovely | Automatic Compensating Chuck |
| | 1,723,347 | Aug. 06, 1929 | W.F. Groene | Chucking Device for Crank Shafts |
 | 1,748,672 | Feb. 25, 1930 | W.F. Groene | Chuck in machine tools |
| | 1,843,359 | Feb. 02, 1932 | W.F. Groene | Double Center Drive Crank Shaft Lathe |
| | 1,878,130 | Sep. 20, 1932 | W.F. Groene | Chucking Device |
| | 1,878,131 | Sep. 20, 1932 | W.F. Groene | Crank Shaft Lathe |
| | RE18,662 | Nov. 22, 1932 | H.J. Siekmann, W.F. Groene | Machine Tool |
