Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806244 | Combined membrane and sorption process for selective ion removal | — | 1989-02-21 |
MG
Michel Guilhem
Overall (1989): #76,858 of 140,708Top 55%
1
Patents 1989