Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D898990 | Combined electrical tobacco heating device and charger | Huachen Liu, Dan Li | 2020-10-13 |
| D898280 | Combined electrical tobacco heating device and charger | Dan Li, Huachen Liu | 2020-10-06 |
| D886366 | Combined electrical tobacco heating device and charger | Huachen Liu, Dan Li | 2020-06-02 |