Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853949 | Fail safe voice system for integrated services for digital network subscribers | Ian A. Schorr, Gregory P. Pucci, John P. Dorth | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853949 | Fail safe voice system for integrated services for digital network subscribers | Ian A. Schorr, Gregory P. Pucci, John P. Dorth | 1989-08-01 |