Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9961936 | Multi-filter for a smoking product | Horst Grzonka, Markus Schosnig, Eduard Nica, Paulo Oliveira, John Richardson +1 more | 2018-05-08 |
| 9259031 | Filter for a smoking article | Peter Branton, Stephen Robert Tennison, Dinah WINTER | 2016-02-16 |
| 8752556 | Smoking article filter | Peter Rex White, William David Lewis | 2014-06-17 |
| 5657772 | Smoking article and filter therefor | Edward John | 1997-08-19 |
| 5415189 | Lightweight cigarette filter and cigarettes incorporating such filters | John Sampson, Michael Patrick Parker, Adrian Roy Stewart-Cox | 1995-05-16 |
| 4911684 | Smoking article mouthpieces | Peter Rex White | 1990-03-27 |
| 4700724 | Smoking-articles mouthpieces-elements | Henry G. Horsewell | 1987-10-20 |
| 4660576 | Smoking articles | Henry G. Horsewell | 1987-04-28 |
| 4660579 | Tobacco smoke filters | Henry G. Horsewell, James W. P. Phelpstead | 1987-04-28 |
| 4649942 | Smoking articles | Henry G. Horsewell | 1987-03-17 |
| 4644964 | Smoking article mouthpiece elements | — | 1987-02-24 |