QY

Qiwang Ying

ZC Zhejiang Jiansheng Leisure Products Co.: 3 patents #4 of 5Top 80%
Overall (All Time): #1,403,954 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11821228 Foldable tent center lock device with rotary unlocking structure Yuanru Sun, Chao Zeng, Jian He 2023-11-21
10982464 Central bidirectional rotation locking mechanism for folding tent Yuanru Sun, Jian He 2021-04-20
10941585 Central lock for folding tent Yuanru Sun, Chao Zeng, Jian He 2021-03-09