Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042665 | Process for the production of gypsum-based composite boards and shaped bodies | Bela Janos Kiraly, Jozsef Hadnagy, Peter Szabo | 2000-03-28 |
| 4188233 | Process for preparing hydraulic binding materials of high bonding capacity from glassy pyrogenic rocks | Gyula Varju | 1980-02-12 |