Patent US 4648113A
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| Patent number | US 4648113A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for providing a visual indication of a relationship between two signals |
| Inventors | John Horn, Daniel G. Baker |
| Company | Tektronix Inc |
| Filing date | 1985-09-11 |
| Grant date | 1987-03-03 |