Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497329 | Method and system for supporting shared local trunking | Joel M. Krause, Carl T. Leonard | 2016-11-15 |
| 8478892 | Session initiation protocol (SIP) overload protection | Stevan H. Leiden, Brian Somes, Timothy W. Bischoff, Arthur Doskow, Kevin V. Bohn | 2013-07-02 |
| 8285868 | Session initiation protocol (SIP) overload protection | Stevan H. Leiden, Brian Somes, Timothy W. Bischoff, Arthur Doskow, Kevin V. Bohn | 2012-10-09 |
| 7873033 | Method and system for supporting shared local trunking | Joel M. Krause, Carl T. Leonard | 2011-01-18 |