Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Nengwen Li
Pingjiang County
CN
1 patent
2 Patents
US11622889
2023
Sleep Headset
0 cites
USD0980181
2023
Combined Music Sleep Eye Mask and Facial Slimming Strap
SHENZHEN ZHUOSIJIA TRADING CO., Ltd.
0 cites