Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442256 | System and method for establishing a call path through a private network | Stuart Mandel Garland, David B. Smith | 2002-08-27 |
| 5444760 | Routing of special emergency calls | — | 1995-08-22 |