Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8918249 | Dual function electronic control unit | Thomas E. Utter, David T. Proefke, Craig Atiyeh, Aaron P. Creguer | 2014-12-23 |
| 7990254 | Method and system for controlling an ignition switch and an operational state of a vehicle | David T. Proefke, David R. Mick | 2011-08-02 |