Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162715 | Portable instant cooling system with controlled temperature obtained through timed-release liquid or gaseous CO2 coolant for general refrigeration use in mobile and stationary containers | Mark Holzwanger, Xianghong Liu, Heng Hu, Harry Holzwanger, Maria Grazia Verardi +1 more | 2021-11-02 |
| 10598409 | Portable instant cooling system with controlled temperature obtained through timed-release liquid or gaseous CO2 coolant for general refrigeration use in mobile and stationary containers | Mark Holzwanger, Xianghong Liu, Heng Hu, Harry Holzwanger, Maria Grazia Verardi +2 more | 2020-03-24 |