Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7185369 | Motor vehicle navigation system having a protected storage medium | Theo Drijfhout | 2007-02-27 |
| 7010686 | Method for enabling a file | Theo Drijfhout | 2006-03-07 |
| 5603108 | Control section for an RDS-TMC radio receiver | — | 1997-02-11 |