All Patents in class 91/361 |
Patents 1 -
4
of 4
![](/buttons/btnLeftCir.jpg) ![First set of records](/buttons/btnFirst.jpg) ![](/buttons/btngPrev.jpg) ![](/buttons/btngNext.jpg) ![Last set of records](/buttons/btnLast.jpg) ![](/buttons/btnRightCir.jpg) |
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 |