Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908595 | Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls | John P. Biel, Jr., David K. Benson, Steven D. Burch, Frederick B. Hill, Jr., Matthew Allen Keyser +2 more | 2005-06-21 |
| 6884398 | Vacuum-insulated exhaust treatment devices with radially-extending support structures | John P. Biel, Jr., Frederick B. Hill, Jr., Donald R. Rigsby | 2005-04-26 |