Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33678 | Membrane separation system and process | Michael J. Campbell, James Smolarek | 1991-09-03 |
| 4787919 | Membrane separation system and process | Michael J. Campbell, James Smolarek | 1988-11-29 |