Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634169 | Method and system for maintaining efficiency of a three-way catalyst | Todd Howard Ballinger, David S. Lafyatis, Raj Rao Rajaram, Andrew Peter Walker | 2003-10-21 |
| 6625976 | Three-way conversion catalysts and methods for the preparation therefor | Christopher J. Bennett, Barry John Cooper, Phillip Shady | 2003-09-30 |
| 6617276 | Hydrocarbon trap/catalyst for reducing cold-start emissions from internal combustion engines | Todd Howard Ballinger | 2003-09-09 |