Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380971 | Internal combustion engine having a retarder | Paul Tholen, Leo Lichtblau, Dieter Esche | 1983-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4380971 | Internal combustion engine having a retarder | Paul Tholen, Leo Lichtblau, Dieter Esche | 1983-04-26 |