Patent US 3321712A
Jump to navigation
Jump to search
| Patent number | US 3321712A (click link for details and documents via Google Patents) |
|---|---|
| Title | Phase lock system for spectrum analyzer |
| Inventors | Arnie Frisch, Gordon D. Long |
| Company | Tektronix Inc |
| Filing date | 1965-08-16 |
| Grant date | 1967-05-23 |