Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891467 | Multistage vehicle security system | Karl V. Perttunen, David M. Chi | 2005-05-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891467 | Multistage vehicle security system | Karl V. Perttunen, David M. Chi | 2005-05-10 |