Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534411 | Process for the preparation of pure silica | Lev Shapira | 2009-05-19 |
| 7090809 | Production of aluminum compounds and silica from ores | Lev Shapira | 2006-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7534411 | Process for the preparation of pure silica | Lev Shapira | 2009-05-19 |
| 7090809 | Production of aluminum compounds and silica from ores | Lev Shapira | 2006-08-15 |