Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11918035 | Tobacco smoke filter | Paul Francis Clarke | 2024-03-05 |
| 11678697 | Tobacco smoke filter | Roy Alingalan, Pakorn Aewskulrat | 2023-06-20 |
| 10939701 | Tobacco smoke filter | Roy Alingalan, Sulistyo WIDODO, Antony Mccormack | 2021-03-09 |
| 9730469 | Tobacco smoke filter | Sudirman WIDIARTO | 2017-08-15 |