Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11918035 | Tobacco smoke filter | Ahmad Fashihul Lisan | 2024-03-05 |
| 10390560 | Flavour stick | — | 2019-08-27 |
| 9687024 | Smoking article and method of manufacturing a smoking article | Karl Kaljura, Ian Dunckley, Philip Russell Fawcus, Kevin Blick, David Paton +5 more | 2017-06-27 |
| 7980250 | Smokers filter | — | 2011-07-19 |
| 6718989 | Filter for a cigarette and a filter-tipped cigarette | John Charlton, Ichiro Atobe, Atsushi Tokida | 2004-04-13 |
| 6422244 | Filter for a cigarette and filter cigarette | John Charlton, Ichiro Atobe, Masanori Koborinai | 2002-07-23 |
| 6302114 | Tobacco smoke filter | John Charlton | 2001-10-16 |
| 6080457 | Particulate sorbent smoke filter | John Charlton, Ernest B. Hayes | 2000-06-27 |
| 5787902 | Concentric core filter | Richard Karl James Shepherd, John Charlton | 1998-08-04 |
| 5662126 | Smoke filter containing particulate smoke modifying additive | John Charlton | 1997-09-02 |
| 5012828 | Tobacco smoke filter containing particulate additive | Ernest B. Hayes | 1991-05-07 |
| 4904308 | Adjustable smoker's mouthpiece | John Charlton | 1990-02-27 |
| D304711 | Clip-on automobile body side molding | — | 1989-11-21 |