Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917023 | System for fixing, encapsulating, stabilizing and detoxifying heavy metals in metal-containing sludges, soils, ash and similar materials | — | 1990-04-17 |
| 4821653 | Process and apparatus for fixing, encapsulating, stabilizing and detoxifying heavy metals and the like in metal-containing sludges, soils, ash and similar materials | — | 1989-04-18 |
| 4781944 | Process and apparatus for fixing, encapsulating, stabilizing and detoxifying heavy metals and the like in metal-containing sludges, soils, ash and similar materials | — | 1988-11-01 |