Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801758 | Procedure for producing hydroquinone | Salme Koskimies | 1989-01-31 |
TH
Taru Haimala
Overall (1989): #35,941 of 140,708Top 30%
1
Patents 1989