Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946380 | Communications system and method with call expenditure control | Michael Davitt, Leonard Matulewski, Alan B. Moshinsky, Kathleen T. Quinn, Usha Rao | 1999-08-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946380 | Communications system and method with call expenditure control | Michael Davitt, Leonard Matulewski, Alan B. Moshinsky, Kathleen T. Quinn, Usha Rao | 1999-08-31 |