Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602647 | Ventilating tip for a smokable article | Wolfgang Wiethaup, Werner Schneider | 1986-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602647 | Ventilating tip for a smokable article | Wolfgang Wiethaup, Werner Schneider | 1986-07-29 |