Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649517 | Variable oxygen/nitrogen enriched intake air system for internal combustion engine applications | Ramesh B. Poola, Roger L. Cole | 1997-07-22 |
| 5640845 | Nitrogen spark denoxer | Henry K. Ng, Vincent J. Novick | 1997-06-24 |
| 5636619 | Method and apparatus for reducing cold-phase emissions by utilizing oxygen-enriched intake air | Ramesh B. Poola, Kevin C. Stork | 1997-06-10 |