Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136637 | Method and apparatus for automatic redialing of telephone numbers | Tracy L. Rust, Cathy Arledge, Gordon D. Ford | 1992-08-04 |
| 4847893 | Method for monitoring telephone status changes | Mieu-Hong Dang, Elie Antoun Jreij, Jorge R. Taborga | 1989-07-11 |