Patent US 3857059A
| Patent number | US 3857059A (click link for details and documents via Google Patents) |
|---|---|
| Title | Oscilloscope sweep system with two sweep generators having speed rate switches and sweep mode switches operated by a control knob |
| Inventors | Les Larson |
| Company | Tektronix Inc |
| Filing date | 1973-06-01 |
| Grant date | 1974-12-24 |