Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645089 | Preparatory materials for an article for smoking and a sleeve section therefor | Beat Burger | 1997-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645089 | Preparatory materials for an article for smoking and a sleeve section therefor | Beat Burger | 1997-07-08 |