Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803851 | Method for carrying out a keyless access authorization check and keyless access authorization check device | Volker Pretzlaff, Rainer Vens, Paul Vogels, Michael Fromm, Dirk Wolf +1 more | 2004-10-12 |