Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688211 | Telecommunication switching system | Pierre Paul Guebels | 1987-08-18 |
| 4641301 | Telecommunication switching system and priority arrangement used therein | Anna M. C. Leurs, Daniel C. Upp, Alan J. Lawrence, John M. Cotton | 1987-02-03 |