Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584317 | Concurrent ringing on multiple network telephones | Louis Michael Taff, Richard Zaffino | 2003-06-24 |
| 6539223 | Mobile telecommunications device having multiple directory number capability | Ramakrishna Bijanki, Perminder Dhawan, Bijan Farhang, Patrick Li, John MacNamara +2 more | 2003-03-25 |