Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834498 | Diesel aftertreatment systems | Michiel J. Van Nieuwstadt, Michael Goebelbecker, William Charles Ruona | 2004-12-28 |
| 6701707 | Exhaust emission diagnostics | Christopher John Mazur | 2004-03-09 |
| 6679051 | Diesel engine system for use with emission control device | Michiel J. van Nieustadt, William Charles Ruona | 2004-01-20 |