Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5890061 | Vehicular emergency message system with call restriction defeating | Mark J. Timm, Walter A. Dorfstatter | 1999-03-30 |
| 5781101 | Vehicular emergency message system activation diagnostics recorder | Walter A. Dorfstatter, Mark J. Timm | 1998-07-14 |