Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125976 | Method of milling the Portland clinker for the production of gypsumless Portland cements | Jaroslav Hrazdira, Tomas Vsetecka | 1992-06-30 |
| 4551176 | Rapidly binding high-strength cement binding agent and a method of its preparation | Karel Kolar, Zdenek Zadak, Zdenek Friml, Jaroslay Novotry | 1985-11-05 |