Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871677 | Method of manufacturing a light, open-pored, mineral insulating board | Emmo Frey, Frithjof KOERDT | 1999-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5871677 | Method of manufacturing a light, open-pored, mineral insulating board | Emmo Frey, Frithjof KOERDT | 1999-02-16 |