Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643928 | Method of manufacturing an exhaust emission control device | Jeffrey B. Hardesty | 2003-11-11 |
| 6532659 | Method of forming a gas treatment device using a stuffing cone apparatus | Egas Jose Desousa | 2003-03-18 |