| Patents for R. K. Le Blond Machine Tool Co. |
Patents 46 -
60
of 261
      |
| Number | Date | Patentee | Title | Type |
| 1,737,881 | Dec. 03, 1929 | W.F. Groene | Change Gear Mechanism | metalworking machine mechanisms |
| 1,744,885 | Jan. 28, 1930 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,750,589 | Mar. 11, 1930 | W.F. Groene | Automatic Lathe Control | machine tool controls |
| 1,781,755 | Nov. 18, 1930 | W.F. Groene | Lathe Oiling Mechanism | metalworking machine mechanisms |
| 1,791,270 | Feb. 03, 1931 | W.F. Groene | Motor Traverse for Lathes | metalworking machine mechanisms |
| 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 |
| 1,879,201 | Sep. 27, 1932 | W.F. Groene | Cam Shaft Lathe | cam shaft lathes |
| RE18,662 | Nov. 22, 1932 | H.J. Siekmann, W.F. Groene | Machine Tool | machine tool controls |
| 1,906,577 | May 02, 1933 | W.F. Groene | Steady Rest for Crank Shaft Lathes | metalworking machine mechanisms |
| 1,918,331 | Jul. 18, 1933 | A.W. Aufderhar, W.F. Groene | Combined Eccentric and Concentric Turning Apparatus | metal lathes |
| 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 |
| 1,934,975 | Nov. 14, 1933 | W.F. Groene | Chucking Device | metal lathe chucks |
