Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9907336 | Porous carbon materials and smoking articles and smoke filters therefor incorporating such materials | Maria Cashmore, Oleksandr Kozynchenko, Andrew John Blackburn, Stephen Robert Tennison | 2018-03-06 |
| 8955524 | Filter and method for making a filter for a cigarette | — | 2015-02-17 |
| 8752556 | Smoking article filter | Martin Graham Duke, William David Lewis | 2014-06-17 |
| 8381736 | Method of preparing a rod for use in the preparation of a smoking article | William David Lewis | 2013-02-26 |
| 7148801 | Article locator system | Timothy L. Crabtree, Reza P. Rassool, Michael F. Wells, Gregory Delmain, Paul McArthur | 2006-12-12 |
| 6788199 | Article locator system | Timothy L. Crabtree, Reza P. Rassool, Michael F. Wells, Gregory Delmain, Paul McArthur | 2004-09-07 |
| 5996587 | Smoking articles | — | 1999-12-07 |
| 5954059 | Filtration materials | John Lawson Beven, Paul D. Case, Martin Coleman, Colin Campbell Greig | 1999-09-21 |
| 5549125 | Relating to smoking articles | — | 1996-08-27 |
| 4911684 | Smoking article mouthpieces | Martin Graham Duke | 1990-03-27 |