Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667374 | Polymer flocculants with improved dewatering characteristics | Christine Wandrey, David Hunkeler | 2003-12-23 |
| 6617402 | Polymer flocculants with improved dewatering characteristics | Christine Wandrey, David Hunkeler | 2003-09-09 |