Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799059 | System and method for improving downlink signal quality in mobile telephone communications systems | Michael Heubel | 2004-09-28 |
| 6751468 | Systems and methods for providing push to talk feature for wireless communication systems | Michael Heubel | 2004-06-15 |