Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437952 | Coextruded multilayer cation exchange membranes | Roger A. Smith | 1984-03-20 |
| 4402785 | Apparatus for making a web-supported membrane | — | 1983-09-06 |
| 4399183 | Web-supported membrane | — | 1983-08-16 |
| 4341605 | Process for cation permeable membrane with reinforcement fabric embedded therein and product thereof | John C. Solenberger | 1982-07-27 |
| 4324606 | Process for forming a reinforced membrane | — | 1982-04-13 |