Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063515 | Automotive engine signal digitization | James D. Fraser, Josephina Amaro | 1991-11-05 |
| 5043659 | Non-intrusive tachometer for spark ignition autos | Donald Allan Lowmiller, James D. Fraser | 1991-08-27 |