Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9551291 | Steel piston with fourth land guidance and improved friction characteristics | Michael T. Lapp | 2017-01-24 |
| 7210399 | Two-part piston for an internal combustion engine | — | 2007-05-01 |
| 7162990 | Two-part piston for an internal combustion engine | Michael T. Lapp | 2007-01-16 |