Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280691 | Indoor air purification system | Joel T. Walenga, Carlos Cavalca | 2001-08-28 |
| 6203771 | Catalytic converter with metal monolith having an integral catalyst | George R. Lester | 2001-03-20 |
| 5686199 | Flow field plate for use in a proton exchange membrane fuel cell | Carlos Cavalca, Eric Walsworth | 1997-11-11 |