Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9480087 | Method and apparatus for public safety answering point (PSAP) discreet alert system | — | 2016-10-25 |
| 6608822 | Direct path matrix conference communication system and method | — | 2003-08-19 |
| 6590876 | Direct path matrix communication system and method | — | 2003-07-08 |
| 6272358 | Vocoder by-pass for digital mobile-to-mobile calls | Michael D. Chambers, Anne Yin-Fee Lee, Chinmei Chen Lee | 2001-08-07 |