| All Patents in class 91/361 |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 2,703,040 | Mar. 01, 1955 | H. Horlacher | Machine Tool Control Mechanism | metalworking machine mechanisms |
| 2,778,342 | Jan. 22, 1957 | H.W. Ringman | Poppet type valve distributing system for a servo-motor | sawmill log handling |
| 3,970,830 | Jul. 20, 1976 | B.W. Wilterdink, P.H. White | Computer Controlled Machine Tool Contouring System | machine tool controls |
| 4,790,233 | Dec. 13, 1988 | L.W. Durham, B.S. Backe | Method and Apparatus for Controlling Hydraulic Systems | machine tool controls |