| All Patents in class 74/346 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
| | 1,140,299 | May 18, 1915 | C.M. Conradson | Automatic Multiple Spindle Lathe |
| | 1,740,744 | Dec. 24, 1929 | F.A. Parsons | Fluid Transmission and Control Means for Machine Tools |
| | 1,794,472 | Mar. 03, 1931 | F.H. Mussler | Hydraulic Change-Speed-Gear Mechanism |
| | 1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism |
| | 1,904,971 | Apr. 18, 1933 | L.F. Nenninger, H. Ernst | Milling Machine |
| | 1,914,167 | Jun. 13, 1933 | W.D. Archea, M. Romaine | Milling Machine |
| | 1,965,253 | Jul. 03, 1934 | L.F. Nenninger | Variable Speed Transmission for Machine Tools |
| | 1,976,139 | Oct. 09, 1934 | B. Sassen, L.F. Nenninger | Milling Machine |
 | 2,010,556 | Aug. 06, 1935 | L.F. Nenninger, F.A. Hassman | Transmission and control mechanism for milling machines |
| | 2,012,081 | Aug. 20, 1935 | H. Ernst, L.F. Nenninger | Milling Machine |
