Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806830 | Electronic device precision location via local broadcast signals | Steven C. Lazar, Madison Pedigo | 2004-10-19 |
| 6778674 | Hearing assist device with directional detection and sound modification | Thomas M. Siep, Trudy D. Stetzler, Pedro Gelabert | 2004-08-17 |
| 6700535 | Location estimation in narrow bandwidth wireless communication systems | Alan Gilkes | 2004-03-02 |