Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1036793 | Retractable animal leash | Huifeng Chen, Yong Yao | 2024-07-23 |
| 12022808 | Automatic pet feeding device | Huifeng Chen | 2024-07-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1036793 | Retractable animal leash | Huifeng Chen, Yong Yao | 2024-07-23 |
| 12022808 | Automatic pet feeding device | Huifeng Chen | 2024-07-02 |