Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676105 | Internal combustion engine with reinforced engine block | Christian Schoenherr, Thomas Wagner | 1997-10-14 |
| 5651340 | Piston internal combustion engine with reinforced engine block using segmented ribs | Christian Schoenherr, Thomas Wagner | 1997-07-29 |