| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 290/4R | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,838,298 | Jun. 10, 1958 | R.M. Henderson | Isolation and Engine Speed Limit Controller | diesel locomotives | |
| 2,885,566 | May 05, 1959 | G.G. Hermanson, C.L. Sadler, R.H. Eisengrein | Control means | ||
| 2,900,527 | Aug. 18, 1959 | E.W. Erikson | Generator control system | ||
| 3,305,762 | Feb. 21, 1967 | C.E. Geib, Jr. | Method of control of electric power | motor controls | |