Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687217 | Listen verification method and system for cellular phones | Bryan T. Edwards | 1997-11-11 |
| 5673307 | Handoff method for indoor cellular phone system | Bruce M. Holland, Bryan T. Edwards | 1997-09-30 |
| 5596638 | Headset for hands-free wireless telephone | Graeme S. Paterson, Mark R. Boyd | 1997-01-21 |