Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778829 | Method for indicating unusable sites to communication units in a communication system | Robert A. Biggs | 2004-08-17 |
| 6748230 | Method and apparatus for updating announcement group information | Helen Anne Murphy | 2004-06-08 |