Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743847 | Printed circuit conductor test system | — | 1988-05-10 |
| 4697142 | Printed circuit conductor test system | — | 1987-09-29 |
| 4644237 | Collision avoidance system | Michael Mahar, Christopher J. Majka, John E. Swenson | 1987-02-17 |