| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 330/268 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 3,067,337 | Dec. 04, 1962 | C.J. Bowman | Servo Amplifier Using Push-Pull Complementary Cascafed Transistors with Means to Superimpose a Higher A. C. Frequency on Information Signal | machine tool controls | |