| All Patents in class 74/346 |
Patents 16 -
23
of 23
      |
| Number | Date | Patentee | Title | Type |
| 2,346,660 | Apr. 18, 1944 | E.P. Bullard, L.E. Alvey, P.H. Lange | Feed Control for Machine Tools | |
| 2,357,952 | Sep. 12, 1944 | W.G. Hoelscher | Fluid Operated Gear Shifting Mechanism | metalworking speed changing mechanisms |
| 2,866,347 | Dec. 30, 1958 | M. Weidig | Preselect Mechanism | machine tool controls |
| 2,992,565 | Jul. 18, 1961 | K.A. Riedel, J.A. Hansen | Automatic Speed Change Mechanism | milling machines |
| 3,093,225 | Jun. 11, 1963 | H.R. Uhtenwoldt | Machine Tool Preselect Speed Change Mechanism | metalworking power transmission |
| 3,150,537 | Sep. 29, 1964 | O. Hermann | Method and Apparatus for Automatically Shifting Gears | metalworking machine mechanisms |
| 3,273,413 | Sep. 20, 1966 | F. Zankl, R.E. Stobbe | Machine Tool with Tool Storage and Changing Apparatus | milling machines |
| 4,643,037 | Feb. 17, 1987 | C.J. Kis | Gear Change Mechanism | metalworking speed changing mechanisms |
