Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058177 | Mechanism to support multiple versions of toll free service | Slobodanka Dundjreovic Vidakovic | 2000-05-02 |
| 4864557 | Automatic refresh of operating parameters in equipment with volatile storage | John D. Morton, Emil Lander | 1989-09-05 |