Patent US 4743845A
| Patent number | US 4743845A (click link for details and documents via Google Patents) |
|---|---|
| Title | Oscilloscope-based signal level measurement system |
| Inventors | Calvin D. Diller, Douglas C. Stevens |
| Company | Tektronix Inc |
| Filing date | 1986-09-17 |
| Grant date | 1988-05-10 |