Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009862 | Exhaust gas recirculation control system and method | Richard L. Wanat, Joseph Norman Ulrey, Keith Z. Doorenbos | 2000-01-04 |
| 5073753 | Hydrocarbon flame ionization detector | Nicholas Collings, Steven Dinsdale | 1991-12-17 |