Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10391504 | Water stop switch device and shower head | Fengde Lin, Mingfu Zhang | 2019-08-27 |
| 10220395 | Water stop device and shower head | Fengde Lin, Mingfu Zhang, Wenxing Chen | 2019-03-05 |