| All Patents in class 82/106 |
Patents 1 -
15
of 68
      |
| Number | Date | Patentee | Title | Type |
| 770,381 | Sep. 20, 1904 | S. McMillen | Mechanism for Turning Wrist Pins, &c. | metalworking machines |
| 1,372,075 | Mar. 22, 1921 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes |
| 1,528,972 | Mar. 10, 1925 | W.F. Groene | Lathe of the Type Generally Referred to as Crank Shaft Lathe | crankshaft lathes |
| 1,633,633 | Jun. 28, 1927 | W.F. Groene | Crank Shaft Lathes | crankshaft lathes |
| RE17,040 | Jul. 17, 1928 | L.J. Kirchenbauer | Crank Pin Lathe | crank pin lathes |
| 1,700,721 | Jan. 29, 1929 | W.F. Groene | Center Drive Lathe | crankshaft lathes |
| 1,744,885 | Jan. 28, 1930 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,843,359 | Feb. 02, 1932 | W.F. Groene | Double Center Drive Crank Shaft Lathe | crankshaft lathes |
| RE18,662 | Nov. 22, 1932 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,921,919 | Aug. 08, 1933 | W.F. Groene | Orbital Lathe | crankshaft lathes |
| 1,934,530 | Nov. 07, 1933 | W.F. Groene | Machine Tool | crank pin lathes |
| 1,934,976 | Nov. 14, 1933 | G.W. Luning, W.F. Groene | Crank Shaft Lathe | crankshaft lathes |
| 1,938,696 | Dec. 12, 1933 | W.F. Groene | Machine Tool | machine mechanisms |
| 1,993,994 | Mar. 12, 1935 | H.J. Siekmann, W.F. Groene | Orbital Lathe | machine mechanisms |
| 1,993,995 | Mar. 12, 1935 | H.J. Siekmann, W.F. Groene | Orbital Lathe | machine mechanisms |
