Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991387 | Monitoring and controlling channels to improve the interface of calls | Shmuel Shaffer, William J. Beyda, Selena Dilley, Phillip C. Meredith, Rudolph Bitzinger | 1999-11-23 |