Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4370952 | Reciprocable piston internal combustion engine with at least one cylinder bushing | Hermann Mettig | 1983-02-01 |
| 4253431 | Reciprocating piston internal combustion engine with at least one cylinder bushing | Hermann Mettig | 1981-03-03 |