Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7953409 | Alternative wireless telephone roaming using prepaid services | Stephen Sherman | 2011-05-31 | $23,856,000 |
| 7634256 | Caller identification queue for wireless telephones | Stephen Sherman | 2009-12-15 | $121,877,000 |
| 7324816 | Alternative wireless telephone roaming using prepaid services | Stephen Sherman | 2008-01-29 | $105,571,000 |
| 7079837 | Caller identification queue for wireless telephones | Stephen Sherman | 2006-07-18 | $27,328,000 |
| 6792271 | Alternative wireless telephone roaming using prepaid services | Stephen Sherman | 2004-09-14 | $48,461,000 |