Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638355 | Synthetic aggregate and method of producing the same | — | 2003-10-28 |
| 6528547 | Synthetic aggregate and method of producing the same | — | 2003-03-04 |
| 5725652 | Lightweight, low water content expanded shale, clay and slate cementitious compositions and methods of their production and use | — | 1998-03-10 |
| 5622556 | Lightweight, low water content cementitious compositions and methods of their production and use | — | 1997-04-22 |
| 5580378 | Lightweight cementitious compositions and methods of their production and use | — | 1996-12-03 |