Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1064194 | Drain plug screen | DeChang Li | 2025-02-25 |
| 12221778 | Pop-up sink drain assembly with overflow knock-out blank band | DeChang Li | 2025-02-11 |
| 12031310 | Pop-up drain stopper and actuator assembly | DeChang Li | 2024-07-09 |
| 12000127 | Lift rod pop-up drain assembly | DeChang Li | 2024-06-04 |
| D918352 | Sink apron | DeChang Li | 2021-05-04 |
| D914170 | Sink apron | DeChang Li | 2021-03-23 |