Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8043395 | Air cleaner convertible for secondary air induction | — | 2011-10-25 |
| 7895983 | Retention assembly for a hydrocarbon trap | Michael Willig, Frank Pfeiffer, Stefan Maier | 2011-03-01 |