| All Patents in class 82/143 |
Patents 76 -
90
of 122
      |
| Number | Date | Patentee | Title | Type |
| 2,058,294 | Oct. 20, 1936 | D.B. Bullard | Gear Shifting Control Mechanism | |
| 2,111,355 | Mar. 15, 1938 | E.C. Bullard | Machine Tool Speed Change Mechanism | |
| 2,149,013 | Feb. 28, 1939 | F.A. Fritzsch | Speed Changing Mechanism | metalworking speed changing mechanisms |
| 2,161,545 | Jun. 06, 1939 | W.F. Groene, G.W. Luning | Lathe transmission and the like | engine lathes |
| 2,176,737 | Oct. 17, 1939 | G.C. Holmes | Machine Tool Transmission and Control | machine tool controls |
| 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 |
| 2,218,182 | Oct. 15, 1940 | W.I. Senger | Machine Tool | metal lathes |
| 2,239,443 | Apr. 22, 1941 | H.C. Kemper, W.F. Groene | Transmission Mechanism for Lathes | metalworking machine mechanisms |
| 2,266,696 | Dec. 16, 1941 | T.A. Wettig | Lathe | metal lathes |
| 2,279,710 | Apr. 14, 1942 | H.O. Kylin, O. Kylin | Sliding Gear Transmission | metalworking machine mechanisms |
| 2,303,270 | Nov. 24, 1942 | C.L. Grover | Spindle Speed Control Mechanism for Machine Tools | machine tool controls |
| 2,308,708 | Jan. 19, 1943 | F.A. Hassman, L.F. Nenninger | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,313,438 | Mar. 09, 1943 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism | metalworking speed changing mechanisms |
| 2,331,695 | Oct. 12, 1943 | G.H. Johnson | Transmission and Control Mechanism | metal lathes |
