Patent US 4587551A
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| Patent number | US 4587551A (click link for details and documents via Google Patents) |
|---|---|
| Title | Measurement of SC/H phase |
| Inventors | Bruce J. Penney |
| Assignee | Tektronix Inc |
| Filing date | 1984-04-23 |
| Grant date | 1986-05-06 |