Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128377 | Method for routing a call | — | 2000-10-03 |
| 6078656 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area | — | 2000-06-20 |
| 6009160 | Method for routing a call | — | 1999-12-28 |
| 5991388 | Method and system for routing calls to a party | — | 1999-11-23 |
| 5987114 | Method for routing telephone calls to subscribers of different service providers within a common numbering plan area | — | 1999-11-16 |
| 5978464 | Method for updating a local switch internal database in system having different service providers within a common numbering plan area | — | 1999-11-02 |
| 5970131 | Method for providing location/geographic portability in a system having different service providers within a common numbering plan area | — | 1999-10-19 |
| 5949867 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area | — | 1999-09-07 |
| 5946385 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area | — | 1999-08-31 |
| 5887056 | Method for routing telephone calls to subscribers of different service providers within a common numbering plan area | — | 1999-03-23 |
| 5883950 | System and method having a distributed external database | — | 1999-03-16 |
| 5796813 | Method for routing a call | — | 1998-08-18 |
| 5771284 | Method for updating a local switch internal database in a system having different service providers within a common numbering plan area | — | 1998-06-23 |
| 5748724 | Method for transferring a subscriber to a new local service provider | — | 1998-05-05 |
| 5696816 | Method for changing a subscriber's local service provider | — | 1997-12-09 |
| 5689555 | Method for transferring a subscriber to a new local service provider | — | 1997-11-18 |