Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108614 | Device and a method for filtering a liquid with wood ash to remove impurities therefrom | Arnold Ross, Subba Narasiah | 1992-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108614 | Device and a method for filtering a liquid with wood ash to remove impurities therefrom | Arnold Ross, Subba Narasiah | 1992-04-28 |