Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832612 | Cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method | Peter Rohdewald, Jingnong (Charles) Li | 2004-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832612 | Cigarette filter with scavenging effect on free radicals in cigarette smoke and its preparation method | Peter Rohdewald, Jingnong (Charles) Li | 2004-12-21 |