Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10578009 | Two-stroke internal combustion engine | — | 2020-03-03 |
| 5555861 | Drive for gas exchange valves, preferably inlet valves for reciprocating internal combustion engines | Bertold Mayr, Leopold Muller | 1996-09-17 |
| 5402756 | Valve control mechanism | Leopold Muller, Frank Schwabe | 1995-04-04 |