Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696809 | Advanced intelligent network based computer architecture for concurrent delivery of voice and text data using failure management system | — | 1997-12-09 |
| 5659605 | Method and apparatus for providing soft dial tone using office equipment designators | William Giles | 1997-08-19 |