Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178775 | Cost effective process for detoxification of cyanide-containing effluents | Stephen Gos, Helmut Knorre, Roy Norcross, Friedrich W. Merz | 1993-01-12 |
| 4966715 | Process for the removal of cyanide from wastewaters | Andrew Griffiths, Ernest Haug, Roy Norcross | 1990-10-30 |
| 4915849 | Process for the treatment of effluents containing cyanide and other oxidizable substances | Andrew Griffiths, Roy Norcross, Helmut Knorre, Friedrich W. Merz | 1990-04-10 |