Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671269 | Telephone communication apparatus including reply apparatus for responding to an incoming telephone call | Thomas S. Tullis | 1997-09-23 |
| 5630060 | Method and apparatus for delivering multi-media messages over different transmission media | Hien Tang, Randy A. Cwikowski | 1997-05-13 |