Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880546 | Recovery of transition metals from aqueous solutions | Brian L. Goodall | 1989-11-14 |
PG
Paulus Alexander Maria Grotenhuis
Overall (1989): #71,162 of 140,708Top 55%
1
Patents 1989