Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223713 | Overhead cam engine with cast-in valve seats | Erik J. Christiansen, Roberto Molina, Gar M. Adams | 2001-05-01 |
| 6032635 | Overhead cam engine with integral head | Erik J. Christiansen, Roberto Molina, Gar M. Adams | 2000-03-07 |
| 5988135 | Overhead vertical camshaft engine with external camshaft drive | Erik J. Christiansen, Roberto Molina, Gar M. Adams | 1999-11-23 |
| 5979392 | Overhead cam engine with integral head | Erik J. Christiansen, Roberto Molina, Gar M. Adams | 1999-11-09 |
| 5755194 | Overhead cam engine with dry sump lubrication system | Erik J. Christiansen, Roberto Molina, Gar M. Adams | 1998-05-26 |