Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391448 | Liquid purification beds and beads therefor | — | 2002-05-21 |
| 5413749 | Process of making beads for a liquid purification bed | — | 1995-05-09 |
| 4793934 | Method for enhancing the separation capacity of a multi-bed filtration system | Robert E. Thompson | 1988-12-27 |