Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085898 | Insulating board containing natural fibres | Gottfried Erb, Claus R. Szypura, Reinhard Welteke | 1992-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085898 | Insulating board containing natural fibres | Gottfried Erb, Claus R. Szypura, Reinhard Welteke | 1992-02-04 |