Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576199 | Environmental control system including ozone-destroying catalytic converter having anodized and washcoat layers | Di-Jia Liu, Daniel R. Winstead | 2003-06-10 |
| 6503462 | Smart air cleaning system and method thereof | Robert Tom, Karin Arnold | 2003-01-07 |