Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6214230 | Composition and method for removing suspended solids from wastewater | John Christiansen | 2001-04-10 |
| 6039875 | Composition and method for removing suspended solids from wastewater | John Christiansen | 2000-03-21 |