Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385176 | Communication system based on echo canceler tap profile | James Charles Popa | 2002-05-07 |
| 6366670 | Call related information receiver unit | Paul Joseph Davis, James A. Johanson, James Charles Popa, Glenn A. Ehrich | 2002-04-02 |
| 6349213 | Apparatus for enhanced voice quality in multiple cordless handset environment and method | Richard M. Ubowski | 2002-02-19 |