Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750934 | Composition or concentrate for conserving wood and wood materials | Wolfgang Metzner, Volker Hellwig, Reiner Pospischil | 1988-06-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750934 | Composition or concentrate for conserving wood and wood materials | Wolfgang Metzner, Volker Hellwig, Reiner Pospischil | 1988-06-14 |