Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643358 | Crystalline hydrated layered sodium and potassium silicates and method of producing same | Raymond P. Denkewicz, Jr. | 1997-07-01 |
| 5614160 | Composite silicate materials | Petra Gill, Raymond P. Denkewicz, Jr. | 1997-03-25 |