Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12295408 | Smoking article filter and insertable filter unit therefor | Graham Penrose, Michael Malthouse, David Wake, Gary Fulcher, Michael Simpson +9 more | 2025-05-13 |
| 11678694 | Smoking article filter and insertable filter unit therefor | Graham Penrose, Michael Malthouse, David Wake, Gary Fulcher, Michael Simpson +9 more | 2023-06-20 |
| 10729171 | Smoking article filter and insertable filter unit therefor | Graham Penrose, Michael Malthouse, David Wake, Gary Fulcher, Michael Simpson +9 more | 2020-08-04 |
| 8852350 | Smoking article and apparatus and process for manufacturing a smoking article | John Sampson, Richard Oliver, Dominic Woodcock | 2014-10-07 |