Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5467381 | Method and system for restructuring a call signal frame in a cellular mobile telephone system having directory and routing number | Ari Peltonen, Bo Astrom, Mats Stille, Sven J. Lantto | 1995-11-14 |