Patent US 4983037A
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| Patent number | US 4983037A (click link for details and documents via Google Patents) |
|---|---|
| Title | Estimation of fiber loss and return signal power |
| Inventors | Dean S. Messing, Ajay K. Luthra |
| Company | Tektronix Inc |
| Filing date | 1989-05-05 |
| Grant date | 1991-01-08 |