Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8000460 | Providing a call waiting distinctive ringback feature in wireless networks | Frances Chin, Mauro Dal Pan, Lei Wang | 2011-08-16 | $1,667,000 |
| 7620400 | Inter-system message delivery for SMS text messages | Paresh Kanabar, Mark Alan McCormick, John Nguyen | 2009-11-17 | $1,828,000 |
| 7184746 | Method and apparatus for providing network support for a wireless emergency call | Deborah Barclay, Douglas Rollender | 2007-02-27 | |
| 6920326 | Method and apparatus for restricting call terminations when a mobile unit is roaming | Anjana Agarwal, Michael J. Rudolph | 2005-07-19 | $7,359,000 |
| 6882839 | One-way roaming from ANS-41 to GSM systems | Douglas Rollender, Michael Marcovici | 2005-04-19 | $12,317,000 |
| 6466796 | System for providing location based service to a wireless telephone set in a telephone system | Elizabeth Ann Kidwell, Michael Joseph Meyer, Maria E. Palamara | 2002-10-15 | $13,461,000 |
| 4800374 | Personnel antistatic test device | — | 1989-01-24 | $10,642,000 |