Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084392 | Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same | Peter E. Lenz, James S. Shui | 2011-12-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084392 | Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same | Peter E. Lenz, James S. Shui | 2011-12-27 |