Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857498 | Dehydrogenation catalyst | Pierre E. Dejaifve, Jacques Dufour, Roland A. C. Garin | 1989-08-15 |
JD
Jean-Paul Darnanville
Overall (1989): #98,297 of 140,708Top 70%
1
Patents 1989