Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758671 | Water-soluble cation-active polyelectrolytes | Drahomir Dvorsky, Karel Cerovsky, Jiri Lukac | 1988-07-19 |
| 4369041 | Technique for dyeing and printing of textiles with quaternary ammonium compound | Drahomir Dvorsky, Karel Cerovsky | 1983-01-18 |