Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6847440 | Method for measuring the optical signal-to-noise ratios OSNR in a wavelength division multiplex (WDM) transmission system | Juergen Martin | 2005-01-25 | $395,000 |