| All Patents in class 82/106 |
Patents 61 -
75
of 125
      |
| Number | Date | Patentee | Title | Type |
| 2,074,257 | Mar. 16, 1937 | M.E. Martellotti, H. Ernst | Vibrating Tool Metalworking Machine | metalworking machine mechanisms |
| 2,089,421 | Aug. 10, 1937 | H.C. Pierle | Tool Holder for Lathes | metalworking machine mechanisms |
| 2,090,119 | Aug. 17, 1937 | W.R. Meyer, W.F. Groene | Broaching Lathe | metal lathes |
| 2,103,298 | Dec. 28, 1937 | H.C. Pierle | Multiple spindle center drive crankshaft lathe | crankshaft lathes |
| 2,126,462 | Aug. 09, 1938 | E.R. Shipley, W.L. Groene | Orbital Broaching Lathe | metalworking machine mechanisms |
| 2,138,964 | Dec. 06, 1938 | W.F. Groene | Orbital lathe | crank pin lathes |
| 2,141,466 | Dec. 27, 1938 | W.R. Meyer, W.F. Groene | Method of Machining Crankshafts | metal lathe chucks |
| 2,148,293 | Feb. 21, 1939 | W.F. Groene | Tool Mechanism for Lathes | metalworking machine mechanisms |
| 2,148,349 | Feb. 21, 1939 | H.J. Siekmann, W.F. Groene | Orbital Lathe Feed Mechanism | metalworking machine mechanisms |
| 2,154,739 | Apr. 18, 1939 | F.S. Floeter | Tool holder for lathes | crankshaft lathes |
| 2,156,153 | Apr. 25, 1939 | W.R. Meyer, H.J. Siekmann, W.F. Groene | Multiple Spindle Vertical Crankshaft Lathe | crankshaft lathes |
| 2,160,402 | May 30, 1939 | W.F. Groene | Crankshaft Lathe | metalworking machine mechanisms |
| 2,173,609 | Sep. 19, 1939 | W.R. Groene | Combined Turning and Broaching Tool for Lathes | lathe tools |
| 2,174,083 | Sep. 26, 1939 | W.L. Groene | Crankshaft Lathe | metalworking machine mechanisms |
| 2,174,084 | Sep. 26, 1939 | W.L. Groene | Station Type Pin and Line Bearing Lathe | metalworking machine mechanisms |
