Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174972 | Fluorogypsum waste solidification material | — | 1992-12-29 |
| 4935211 | Fluorogypsum waste solidification material | — | 1990-06-19 |
| 4353749 | Process of producing a useful soil cement product from industrial chemical waste | Louis F. Ray | 1982-10-12 |