Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348582 | Mineral building materials with additives | Joachim Herzig, Kurt Bredtmann, Birger Knickel | 1994-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348582 | Mineral building materials with additives | Joachim Herzig, Kurt Bredtmann, Birger Knickel | 1994-09-20 |