Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680440 | Registration and connection in a communication network | Walter Ghisler, Jan Swerup, Bjorn Jonsson, Johan Olsson | 1997-10-21 |
| 5668876 | User authentication method and apparatus | Bjorn Jonsson | 1997-09-16 |
| 5662179 | Hole-making device | — | 1997-09-02 |
| 5600704 | Systems and methods for prioritized routing of telephone calls to a subscriber | Bjorn G. D. Ahlberg, Anders L. Mölne | 1997-02-04 |