Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659542 | System and method for signalling and call processing for private and hybrid communications systems including multimedia systems | Robert T. Bell | 1997-08-19 |
| 5594732 | Bridging and signalling subsystems and methods for private and hybrid communications systems including multimedia systems | Robert T. Bell | 1997-01-14 |