Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874053 | Horizontal regenerative catalytic oxidizer | James M. Chen, Sean T. Gribbon | 1999-02-23 |
| 5753197 | Method of purifying emissions | James M. Chen, Sean T. Gribbon | 1998-05-19 |