Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12295408 | Smoking article filter and insertable filter unit therefor | Graham Penrose, David Wake, Gary Fulcher, Michael Simpson, Aaron Brookbank +9 more | 2025-05-13 |
| 11678694 | Smoking article filter and insertable filter unit therefor | Graham Penrose, David Wake, Gary Fulcher, Michael Simpson, Aaron Brookbank +9 more | 2023-06-20 |
| 10729171 | Smoking article filter and insertable filter unit therefor | Graham Penrose, David Wake, Gary Fulcher, Michael Simpson, Aaron Brookbank +9 more | 2020-08-04 |