Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693304 | Amorphous alkali metal silicate process and uses | Eric von Rehren Borgstedt | 1997-12-02 |
| D385946 | Water purifier | Marc S. Harrison, Jan-Christoph Zoels, David A. Snow | 1997-11-04 |
| 5643358 | Crystalline hydrated layered sodium and potassium silicates and method of producing same | Eric Borgstedt | 1997-07-01 |
| 5614160 | Composite silicate materials | Petra Gill, Eric Borgstedt | 1997-03-25 |