Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36915 | Process for sodium sulfide/ferrous sulfate treatment of hexavalent chromium and other heavy metals | Dan Suciu, John M. Beller, Charles J. Carpenter | 2000-10-17 |
| 5000859 | Process for sodium sulfide/ferrous sulfate treatment of hexavalent chromium and other heavy metals | Dan Suciu, John M. Beller, Charles J. Carpenter | 1991-03-19 |