Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640395 | System for transmitting packet data in digital cellular time division multiple access (TDMA) air interface | Zhi-Chun Honkasalo, Harri Jokinen | 1997-06-17 |
| 5636264 | Radio telephone system which utilizes an infrared signal communication link | Toni Sulavuori, Mikko Terho | 1997-06-03 |