Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11375690 | Vortex fountain | David R. Mai, Wei Chao, Tao Huang, John M. Lipscomb | 2022-07-05 |
| 11291331 | Cooking fume treatment system for cooking machines and cooking machine | Jinbiao Xu, Guang He, Luoya Zeng | 2022-04-05 |
| D941533 | Pet fountain | David R. Mai, Tao Huang, John M. Lipscomb | 2022-01-18 |