Patent US 4916677A
Jump to navigation
Jump to search
| Patent number | US 4916677A (click link for details and documents via Google Patents) |
|---|---|
| Title | Automatic period and frequency measurements |
| Inventors | Henry G. Fox |
| Company | Tektronix Inc |
| Filing date | 1989-06-19 |
| Grant date | 1990-04-10 |