Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701106 | Method and modulator for modulating digital signal to higher frequency analog signal | Juha Pikkarainen | 1997-12-23 |
| 5613235 | Operation of a radiotelephone in a synchronous extended standby mode for conserving battery power | Raimo Kivari | 1997-03-18 |