Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851389 | Apparatus for removing a contaminant from a fluid stream | Richard Paul Posa | 1998-12-22 |
| 5368703 | Method for arsenic removal from wastewater | — | 1994-11-29 |
| 5326439 | In-situ chromate reduction and heavy metal immobilization | — | 1994-07-05 |