Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833977 | Piston for internal combustion engine | Otso Haahtela | 1989-05-30 |
BE
Bern Ebel
Overall (1989): #129,789 of 140,708Top 95%
1
Patents 1989