Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145498 | Nitrogen oxides reducing aftercooler for turbocharged engines | Charles J. Packard | 2000-11-14 |
| 6138647 | Nitrogen oxides reducing aftercooler for turbocharged engines | Charles J. Packard | 2000-10-31 |
| 6035834 | Nitrogen oxides reducing aftercooler for turbocharged engines | Charles J. Packard | 2000-03-14 |
| 6003500 | Nitrogen oxides reducing aftercooler for turbocharged engines | Charles J. Packard | 1999-12-21 |