Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853578 | Method for biological purification of liquids and biological filter for purification of liquids | Alexander Shkolnik | 1998-12-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853578 | Method for biological purification of liquids and biological filter for purification of liquids | Alexander Shkolnik | 1998-12-29 |