Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689547 | Network directory methods and systems for a cellular radiotelephone | — | 1997-11-18 |
| 5657372 | Systems and methods for selectively accepting telephone calls without establishing voice communications | Bjorn G. D. Ahlberg | 1997-08-12 |
| 5600704 | Systems and methods for prioritized routing of telephone calls to a subscriber | Bjorn G. D. Ahlberg, Johan Falk | 1997-02-04 |