Patents/Inventors

Jiarong Sun

RongchengCN7 patents

7 Patents

US125887242026
Hair Weft and Preparation Process Thereof
WELLNA CO., Ltd
0 cites
US124846472025
Hair Weft and Preparation Process Thereof
WELLNA CO., Ltd
0 cites
US124716542025
Hair Weft and Preparation Process Thereof
WELLNA CO., Ltd
0 cites
US124333612025
Hair Weft and Preparation Process Thereof
0 cites
US123365802025
Hair Weft and Preparation Process Thereof
0 cites
US119635662024
Preparation Method of Hair Weft
0 cites
US117302162023
Preparation Method of Gauze-closure Hair Weft
0 cites