Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880546 | Recovery of transition metals from aqueous solutions | Paulus Alexander Maria Grotenhuis | 1989-11-14 |
BG
Brian L. Goodall
Overall (1989): #128,481 of 140,708Top 95%
1
Patents 1989