Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834048 | Internal combustion engine having at least two inlet valves per combustion chamber | Panagiotis Adamis | 1989-05-30 |
AB
Alfred Beier
Overall (1989): #134,123 of 140,708Top 100%
1
Patents 1989