Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6181190 | Electronic circuit and manufacturing method for electronic circuit | Anders Soderbarg | 2001-01-30 |
| 6167135 | Method and apparatus for generating a ringing signal | Stefan Barkarö, Torbjorn Randahl, Berndt Wallin | 2000-12-26 |