Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8628663 | Fuel filter cartridge and keyed end cap | Steven Todd, Kenneth W. Stirn, Farrell F. Calcaterra | 2014-01-14 |
| 8197686 | Fuel filter cartridge and keyed end cap | Steven Todd, Kenneth W. Stirn, Farrell F. Calcaterra | 2012-06-12 |
| 7326342 | Fuel filter cartridge and keyed end cap | Steven Todd, Kenneth W. Stirn | 2008-02-05 |