Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415629 | Crankshaft for a reciprocating piston engine | Frank E. Liebmann, Heiko Breuning, Christian Harms, Ulrich Holtmann | 2019-09-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415629 | Crankshaft for a reciprocating piston engine | Frank E. Liebmann, Heiko Breuning, Christian Harms, Ulrich Holtmann | 2019-09-17 |