Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5423990 | Method for the purification of waste water containing silver | Eddy Michiels, Dmitry A. Topchiev, Gennady Grigoryevich KARDASH | 1995-06-13 |
| 5378340 | Apparatus for the electrolytic recovery of silver | Werner Van De Wynckel, Dirk De Ruijter, Benny Jansen | 1995-01-03 |
| 5370781 | Electrode | Werner Van De Wynckel, Dirk De Ruijter, Benny Jansen | 1994-12-06 |
| 5264339 | Method for the maufacture of a recording material including gelatin | Bernard Tavernier | 1993-11-23 |