Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274954 | Electromagnetic actuator for actuating a gas-exchanging valve | Frank Kirschbaum, Guenter Stoehr | 2001-08-14 |
| 6237546 | Reversible internal combustion engine | — | 2001-05-29 |