Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059944 | Diaphragm for electrolytic cell | Donald W. DuBois, Bernard A. Maloney | 2000-05-09 |
| 4879009 | Method of preparing an asbestos diaphragm | — | 1989-11-07 |
| 4869793 | Method of preparing an asbestos diaphragm | — | 1989-09-26 |
| 4806214 | Method of preparing an asbestos diaphragm | — | 1989-02-21 |