Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6611145 | Motorcycle having a system for combustion diagnostics | Eric Norppa, Frederick K. Lenhart, Barth Fisk | 2003-08-26 |
| 6588259 | Motorcycle having system for determining engine phase | Eric Norppa, Barth Fisk | 2003-07-08 |
| 6505606 | Motorcycle having a system for combustion knock control | Eric Norppa, Frederick K. Lenhart, Michael Martin | 2003-01-14 |