Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8430199 | Sound shell | Mark Stephenson, Paul Bavister, Ian R. Knowles | 2013-04-30 |
| D625833 | Performance shell | — | 2010-10-19 |
| 7066127 | Controlled engine camshaft stopping position | Timothy W. Kunz, Wayne S. Harris, Thomas H. Fischer | 2006-06-27 |