Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877421 | Treatment of permeable membranes | Benjamin Bikson | 1989-10-31 |
| 4812184 | Method of manufacturing a hollow filament separatory module with constricted bundle end | Myron J. Coplan | 1989-03-14 |
| 4800019 | Tubesheet for semipermeable membrane devices | Benjamin Bikson | 1989-01-24 |