Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10433665 | Valve assembly for leak resistant straw cup | Xiangwen Zhang | 2019-10-08 |
| 10334941 | Bottle brush with multiple bristle reaches | Xiangwen Zhang, Idus L. Rhodes, II | 2019-07-02 |
| 10213034 | Valve assembly for a drinking cup and a drinking cup having a valve assembly | Xiangwen Zhang | 2019-02-26 |
| D838858 | Pacifier shield | — | 2019-01-22 |