Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186916 | Method for purifying flue-gasses | — | 1993-02-16 |
| 5173157 | Method for processing residual fixing-baths | — | 1992-12-22 |
| 5128002 | Method for processing residual baths from the photographic and photochemical industries | — | 1992-07-07 |
| 5128004 | Method for processing ash residues as well as glaze-kilns useful therein | — | 1992-07-07 |
| 5095829 | Method for combusting multifarious waste material, and an oven to be used thereby | — | 1992-03-17 |