Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867110 | Suction system for a multi-cylinder internal combustion engine | — | 1989-09-19 |
WD
Winfried Distelrath
Overall (1989): #44,466 of 140,708Top 35%
1
Patents 1989