| All Patents in class 318/12 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 1,501,723 | Jul. 15, 1924 | C.F. Randolph | Lathe-controlling mechanism | metal lathes |
| 2,331,695 | Oct. 12, 1943 | G.H. Johnson | Transmission and Control Mechanism | metal lathes |
| 2,423,243 | Jul. 01, 1947 | J.E. Lovely | Two-speed Drive Mechanism | metalworking speed changing mechanisms |
| 2,497,842 | Feb. 14, 1950 | T.A. Wetzel, T.F. Eserkaln, J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,545,053 | Mar. 13, 1951 | G.J. Kasselmann, H.J. Siekmann | Lathe Transmission and Control Mechanism | metalworking machine mechanisms |
| 2,600,988 | Jun. 17, 1952 | R.B. Lesher, C.E. Greene | Constant Surface Speed Lathe | machine tool controls |
