Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422244 | Filter for a cigarette and filter cigarette | Paul Francis Clarke, John Charlton, Masanori Koborinai | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422244 | Filter for a cigarette and filter cigarette | Paul Francis Clarke, John Charlton, Masanori Koborinai | 2002-07-23 |