Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881954 | Permeable membranes for enhanced gas separation | Benjamin Bikson, James E. Miller | 1989-11-21 |
| 4840819 | Method for preparing composite membranes for enhanced gas separation | Samuel Williams, Benjamin Bikson, Robert Douglas Burchesky | 1989-06-20 |
| 4826599 | Composite membranes and their manufacture and use | Benjamin Bikson | 1989-05-02 |
| 4822382 | Composite membranes, their manufacture and their use | — | 1989-04-18 |