Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6154537 | Method and apparatus for reducing false ringback detection | Martin T. Karanja, Chin Wong | 2000-11-28 |
| 6148206 | Method for concealing a handover mute | Martin T. Karanja, Scott D. Gleason | 2000-11-14 |