Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591839 | Filter material for reducing harmful substances in tobacco smoke | Hans-Peter Braun | 2003-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591839 | Filter material for reducing harmful substances in tobacco smoke | Hans-Peter Braun | 2003-07-15 |