Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830797 | Process for the production of closed gas-cellular granular materials | Janos Hornyos, Gyula Millei, Otto W. Wagner | 1989-05-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830797 | Process for the production of closed gas-cellular granular materials | Janos Hornyos, Gyula Millei, Otto W. Wagner | 1989-05-16 |