Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701301 | Mediation of open advanced intelligent network in SS7 protocol open access environment | — | 1997-12-23 |
| 5600710 | Method for providing a recorded message to a telephone caller when called number is busy | Jimmy W. Langley | 1997-02-04 |