Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787848 | Method of system for operating an internal combustion engine having variable valve timing | Ilya Kolmanovsky | 1998-08-04 |
| 5755202 | Method of reducing feed gas emissions in an internal combustion engine | Kenneth R. Butts | 1998-05-26 |