Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691340 | Catalytic converter | Charles Porter | 2010-04-06 |
| 7378060 | Support seal for positive retention of catalytic converter substrate and method therefor | Charles Porter | 2008-05-27 |
| 5700954 | Method of controlling fuel during engine misfire | Arthur Joseph Varady, Richard John Gilbert | 1997-12-23 |
| 5505183 | Method and system for controlling emissions from an internal combustion engine | Raymond Henry Berger | 1996-04-09 |