| Patents for R. K. Le Blond Machine Tool Co. |
Patents 121 -
135
of 261
      |
| Number | Date | Patentee | Title | Type |
| 2,233,309 | Feb. 25, 1941 | W.F. Groene | Center Drive Lathe Loading Device | metalworking machine mechanisms |
| 2,233,310 | Feb. 25, 1941 | W.F. Groene | Crankshaft Chuck | metal lathe chucks |
| 2,233,977 | Mar. 04, 1941 | W.F. Groene | Tool Feeding Mechanism for Lathes | metalworking machine mechanisms |
| 2,233,993 | Mar. 04, 1941 | M.F. Campbell | Loading and Unloadng of Work in Machine Tools | metalworking machine mechanisms |
| 2,235,450 | Mar. 18, 1941 | W.L. Groene | Crankshaft Blank | crankshafts |
| 2,239,443 | Apr. 22, 1941 | H.C. Kemper, W.F. Groene | Transmission Mechanism for Lathes | metalworking machine mechanisms |
| 2,240,949 | May 06, 1941 | W.L. Groene | Crankshaft Chuck | metal lathe chucks |
| 2,245,273 | Jun. 10, 1941 | A.L. Hartley | Method of Flame Hardening Lathe Beds | metal lathes |
| 2,247,491 | Jul. 01, 1941 | H.E. Darby, H.C. Kemper, W.F. Groene | Transmission Shifter Mechanism | metalworking machine mechanisms |
| 2,247,550 | Jul. 01, 1941 | W.F. Groene | Crankshaft Chuck | metal lathe chucks |
| D128,258 | Jul. 15, 1941 | G.W. Luning, W.F. Groene | Feed Box for Lathes | metalworking machine mechanisms |
| 2,249,241 | Jul. 15, 1941 | W.R. Meyer, W.F. Groene | Work Handling Mechanism | metalworking machine mechanisms |
| 2,249,242 | Jul. 15, 1941 | W.L. Groene | Method of Treating Crankshafts | crankshafts |
| 2,249,243 | Jul. 15, 1941 | W.L. Groene | Chucking Mechanism | metal lathe chucks |
| 2,250,097 | Jul. 22, 1941 | W.A. Kimsey, W.F. Groene | Feed Control Mechanism for Lathes | metalworking machine mechanisms |
