Patent US 3512427A
Jump to navigation
Jump to search
| Patent number | US 3512427A |
|---|---|
| Title | Pushbutton rotary control apparatus for an electrical switch and the like |
| Inventors | Bob Metcalf |
| Company | Tektronix Inc |
| Filing date | 1968-06-11 |
| Grant date | 1970-05-19 |
| Cites |