Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11375690 | Vortex fountain | David R. Mai, Qing He, Tao Huang, John M. Lipscomb | 2022-07-05 |
| D856605 | Pet fountain | Qing He, Tao Huang, Dong Zhao, Ke Li, Yingchun Mao +1 more | 2019-08-13 |
| D856606 | Pet fountain | Qing He, Tao Huang, Dong Zhao, Ke Li, Yingchun Mao +1 more | 2019-08-13 |
| 5152440 | Foldable bag with roller mechanism | — | 1992-10-06 |