Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5940493 | System and method for providing directory assistance information | Prasad Nimmagadda | 1999-08-17 |
| 5850432 | Method and system for capturing and recording information associated with a dial-around call | Richard Schmidt | 1998-12-15 |
| 5815561 | Method and system for providing a demarcated communication service | Hong Nguyen | 1998-09-29 |
| 5748717 | Method and system for assigning a communication to a preferred carrier for accounting and/or communication routing purposes | Jim H. Chan | 1998-05-05 |
| 5533107 | Method for routing calls based on predetermined assignments of callers geographic locations | Janine M. Irwin, James M. Seymour, Iris Y. Chen, James M. Davis, David C. Sowell +1 more | 1996-07-02 |