Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874508 | Cigarette with smoke constituent attenuator | Kenneth H. Shafer, San Li, Milton E. Parrish | 2005-04-05 |
| 6868855 | Cigarette with smoke constituent attenuator | Kenneth H. Shafer, San Li, Milton E. Parrish | 2005-03-22 |