Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7469051 | Method and apparatus for maintaining audio level preferences in a communication device | Chanhlong C. Lam | 2008-12-23 |
| 7133643 | Method and device for maintaining environmental audio awareness in a simplex communications system | Long Lam | 2006-11-07 |
| 6141331 | Selective call receiver with automatic re-registration capability | — | 2000-10-31 |