Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6208670 | Digital carrier system for rural telephone and data applications | John M. Kilgore, Dean C. Poirier | 2001-03-27 |
| 5970136 | IDSN capacity expansion for remote terminal sites | John C. Mantovani, Joseph F. Zimmerman | 1999-10-19 |
| 5802168 | ISDN capacity expansion for remote terminal sites | John C. Mantovani, Joseph F. Zimmerman | 1998-09-01 |