Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6589910 | Catalytic converter substrate | — | 2003-07-08 |
| 6562305 | Electrically heatable catalytic converter | Manfred Vierkötter | 2003-05-13 |
| 6537681 | Honeycomb and process for its manufacture | — | 2003-03-25 |