Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7578125 | Exhaust manifold with catalytic converter shell tube | Jeffrey B. Hardesty | 2009-08-25 |
| 7241426 | Exhaust manifold with catalytic converter shell tube | Jeffrey B. Hardesty | 2007-07-10 |
| 7200910 | System and method of disposing a substrate in a housing | Bruce E. Mattrisch, Jeff Johnson | 2007-04-10 |