Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872989 | Selective removal of nitrate ions from salt solutions | — | 1989-10-10 |
MP
Marico Giuseppe Pirotta
Overall (1989): #79,320 of 140,708Top 60%
1
Patents 1989