Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482535 | Process for the recovery of silver by floatation from the residue from the wet extraction of zinc | Horst Dittmann, Friedrich Rosenstock | 1996-01-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482535 | Process for the recovery of silver by floatation from the residue from the wet extraction of zinc | Horst Dittmann, Friedrich Rosenstock | 1996-01-09 |