Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6391250 | Method for producing forms and foamed metal forms | Eric Wolfsgruber, Frantisèk Simanĉik | 2002-05-21 |
| 5393485 | Process for the production of foamable metal elements | Hans-Peter Degischer | 1995-02-28 |
| 4770700 | Hydrometallurgical process for the separation and enrichment of gold, platinum, and palladium, together with recovery of selenium from the anode sludge of copper electrolysis | Josef Bertha, Jorg Wallner | 1988-09-13 |
| 4330375 | Method of cleaning cathodes | Hermann Leuprecht, Jakob Biechl | 1982-05-18 |