Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793015 | Furnace heat exchanger | Michael L. Brown, Ninev Karl Zia | 2004-09-21 |
| 6736634 | NOx reduction with a combination of radiation baffle and catalytic device | Young Kyu Park | 2004-05-18 |