Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452929 | Network arrangement and method relating to telecommunications | — | 2002-09-17 |
| 5991626 | Methods and apparatus pertaining to handoff in a mobile telecommunication system | Udo Hinz | 1999-11-23 |
| 5826193 | Method and apparatus of facilitating interchanging the use of a mobile station and a permanently wired telephone set | Walter Ghisler, Georg Chambert | 1998-10-20 |
| 5737689 | Method for preventing calls of bad quality from being disconnected in a cellular mobile radio system | — | 1998-04-07 |
| 5555260 | Decentralized base station for reducing bandwidth requirements for communications to and from radio transmitter-receivers in a telecommunications network | Hans L. Rinnback, Hakan M. Halen | 1996-09-10 |
| 5479595 | Mobile telephony system | — | 1995-12-26 |
| 5293643 | Method for handoff in a mobile radio communication system | — | 1994-03-08 |