Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10117456 | Activated carbon for smoking articles | Gaetan Couderc, Ping Li | 2018-11-06 |
| 9717271 | Filter segment comprising an acetate salt and glycerine | Celine Gambs, Irfan Gunduz, Ping Li | 2017-08-01 |