Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596155 | Gas sampling probe | — | 1997-01-21 |
| 4561297 | Hand-held diesel engine injection tester | — | 1985-12-31 |
| 4408399 | Wheel alignment gauge | Phillip I. Darwood, Peter M. Taylor, Christopher Marley | 1983-10-11 |