Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309287 | Reverse-osmosis tubular membrane | Martin Roos, William W. Cooper, IV | 1982-01-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309287 | Reverse-osmosis tubular membrane | Martin Roos, William W. Cooper, IV | 1982-01-05 |