Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4193412 | Additive for smoking tobacco products, filter elements thereof and process for the preparation thereof | Dieter Imbery, Bruno Kliemann | 1980-03-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4193412 | Additive for smoking tobacco products, filter elements thereof and process for the preparation thereof | Dieter Imbery, Bruno Kliemann | 1980-03-18 |