Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846977 | Method and device for separating polar from non-polar liquids using membranes | Robert DeVellis, Lawrence R. Schroeder, H. Hunter Paalman, Curtis M. Tong, Charles W. Martin | 1989-07-11 |
| 4842910 | Assembly of water wet hollow fibers and a tubesheet derived from a diglycidyl ether of a dihydroxy benzene | — | 1989-06-27 |