Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959150 | Optical method and system for measuring in-band crosstalk in Raman amplifiers | David Beal, John Medberry | 2005-10-25 |
| 6904238 | System and method for measuring polarization dependent gain of an optical amplifier | David Beal | 2005-06-07 |