Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859384 | Novel polyamide reverse osmosis membranes | Richard F. Fibiger, Ja-Young Koo, David J. Forgach, Donald L. Schmidt, Ritchie A. Wessling +1 more | 1989-08-22 |
RP
Robert J. Petersen
Filmtec: 1 patents #3 of 9Top 35%
Overall (1989): #61,682 of 140,708Top 45%
1
Patents 1989