Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663954 | Frame timing control of time division multiple access | Jouko Häkkänen | 1997-09-02 |
| 5619552 | Arrangement and method for location registration | Reino Talarmo, Markku Tuohino | 1997-04-08 |