Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9707538 | Aluminized silicious powder and water purification device incorporating same | Leonid A. Kaledin, Frederick Tepper | 2017-07-18 |
| 9309131 | Aluminized silicious powder and water purification device incorporating same | Leonid A. Kaledin, Frederick Tepper | 2016-04-12 |