Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138015 | Multi-cell radio system with PBX periphery assemblies | — | 2000-10-24 |
| 5898924 | Method for connection handling in communication systems with wireless signal transmission | Marku Korpi, Helmut Stiglbrunner, Wilhelm Mueller | 1999-04-27 |
| 5259017 | Cordless telephone system with a private automatic branch exchange | — | 1993-11-02 |