Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4290060 | Brake fuse warning circuit | — | 1981-09-15 | $1,714,000 |
| 4262278 | Diagnostic brake system warning circuit | Donald Howard, John Edmund Mackiewicz | 1981-04-14 | $3,622,000 |