Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769243 | System and method for determining target oxygen storage in an automotive catalyst | Donald J. Lewis, Kevin Ronald Carlstrom, Stephen L. Hahn | 2004-08-03 |
| 6751947 | System and method for estimating oxidant storage of a catalyst | Donald J. Lewis, Kevin Ronald Carlstrom, Stephen L. Hahn | 2004-06-22 |