Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10371021 | Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same | Guenther Roland | 2019-08-06 |
| 10113452 | Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same | Markus Doppelbauer, Martin Schallauer, Christian Berger, Guenther Roland | 2018-10-30 |