Patent US 4551656A
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| Patent number | US 4551656A (click link for details and documents via Google Patents) |
|---|---|
| Title | Oscilloscope having dual time base system for accurate differential time measurement |
| Inventors | Art Metz |
| Company | Tektronix Inc |
| Filing date | 1982-11-01 |
| Grant date | 1985-11-05 |