Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440614 | System and method for dynamically specifying the manner in which calls to a roaming cellular telephone subscriber are to be handled | Kenneth Sonberg | 1995-08-08 |
| 5142654 | Cellular telephone system and method for dynamically switching between call routing options | Kenneth Sonberg | 1992-08-25 |