Patent US 3999128A
| Patent number | US 3999128A (click link for details and documents via Google Patents) |
|---|---|
| Title | Time interval measurement method and apparatus |
| Inventors | Pedro Max Janowitz, Jim Godwin |
| Company | Tektronix Inc |
| Filing date | 1975-04-18 |
| Grant date | 1976-12-21 |