Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480549 | Method for determining attenuation in a digital PCM channel | Frederic J. Hirzel | 2002-11-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480549 | Method for determining attenuation in a digital PCM channel | Frederic J. Hirzel | 2002-11-12 |