Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8277660 | Method and apparatus for recovery of water containing silica | Kenneth A. Klinko | 2012-10-02 |
| 5575921 | Sludge dredging and dewatering process | Ronald C. Askin, Sanna M. Yost | 1996-11-19 |