| Patents for R. K. LeBlond Machine Tool Co. |
Patents 46 -
60
of 107
      |
| Number | Date | Patentee | Title | Type |
| 2,161,545 | Jun. 06, 1939 | W.F. Groene, G.W. Luning | Lathe transmission and the like | engine lathes |
| 2,164,212 | Jun. 27, 1939 | R.K. Blond | Attachment for cutter grinders | tool grinders |
| 2,173,608 | Sep. 19, 1939 | W.L. Groene | Change speed friction gearing | metalworking machine gearing |
| 2,182,228 | Dec. 05, 1939 | W.F. Groene, W.R. Meyer | Method of machining crankshafts | crankshaft lathes |
| 2,182,231 | Dec. 05, 1939 | R.K. Blond | Attachment for cutter grinders | tool grinders |
| 2,191,347 | Feb. 20, 1940 | W.F. Groene, H.J. Siekmann | Crankshaft lathe | crankshaft lathes |
| 2,192,436 | Mar. 05, 1940 | W.F. Groene, H.J. Siekmann | Center drive double end turret lathe | turret lathes |
| 2,192,437 | Mar. 05, 1940 | W.F. Groene, H.J. Siekmann | Spindle control mechanism | metal lathes |
| 2,193,279 | Mar. 12, 1940 | W.F. Groene, H.C. Kemper, H.E. Darby | Lathe headstock | metal lathe mechanisms |
| 2,197,893 | Apr. 23, 1940 | W.F. Groene, R.K. Blond | Lathe headstock | metal lathe mechanisms |
| 2,202,287 | May 28, 1940 | W.F. Groene | Relieving attachment for lathes | metal lathe accessories and attachments |
| 2,214,996 | Sep. 17, 1940 | W.F. Groene, W.L. Groene | Relieving attachment | metal lathe accessories and attachments |
| 2,232,228 | Feb. 18, 1941 | W.L. Groene | Crankpin grinder | crank pin lathes |
| 2,232,323 | Feb. 18, 1941 | W.L. Groene | Toolholder for lathes | crankshaft lathes |
| 2,236,057 | Mar. 25, 1941 | W.F. Groene, H.J. Siekmann | Power center drive chuck | metal lathe chucks |
