SY

Shengyong Yang

Overall (2020): #44,297 of 565,922Top 8%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10844626 Telescopic stand column, and tent having same Jing Bian 2020-11-24
10689877 Multiple rod linkage structure and tent with such multiple rod linkage structure Jing Bian 2020-06-23
10669738 Collapsible canopy frame having a central lock Jing Bian 2020-06-02
10597897 Collapsible canopy with a self locking central lock Jing Bian 2020-03-24