Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6631722 | Tobacco smoke filter elements | Kevin Gerard MacAdam, Nigel David Warren | 2003-10-14 |
| 6578584 | Smoking article with non-combustible wrapper, combustible fuel source and aerosol generator | John Lawson Beven, David John Dittrich, Colin Campbell Greig, Richard Hook, Kevin McAdam | 2003-06-17 |