Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121081 | Exhaust gas recirculation afterburner | John F. Wirkus | 2006-10-17 |
| 6315880 | Chemical plating method, electrolytic cell and automotive oxygen sensor using it | Mary R. Reidmeyer, Matthew Joseph DONELON | 2001-11-13 |
| 5049255 | Oxygen sensing unit | Michael J. Wolfe | 1991-09-17 |
| 4953518 | Exhaust gas recirculation valve | Michael J. Wolfe | 1990-09-04 |