Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709229 | Method of producing a tobacco product for smoking | Friedrich Priehs | 1998-01-20 |
| 5070136 | Aqueous polymer dispersions for coating wood | Rolf Dersch, Heinrich Dehne, Roland Gellert, Johannes Vinke, Eckehardt Wistuba | 1991-12-03 |