Issued Patents 2005
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965767 | Communication device for entering and exiting a net within a group communication network | Douglas M. Crockett, Eric C. Rosen | 2005-11-15 |
| 6928294 | Method and apparatus for enabling group communication services in an existing communication system | Douglas M. Crockett, Eric C. Rosen | 2005-08-09 |
| 6912401 | Communication device for providing an efficient dormant mode for a group communication network | Eric C. Rosen | 2005-06-28 |
| 6904288 | Controller for providing an efficient dormant mode for a group communication network | Eric C. Rosen | 2005-06-07 |
| 6898436 | Communication device for joining a user to a group call in a group communication network | Douglas M. Crockett, Eric C. Rosen | 2005-05-24 |
| 6873854 | Method and an apparatus for adding a new member to an active group call in a group communication network | Douglas M. Crockett, Eric C. Rosen | 2005-03-29 |