XH

Xiaoyun Hu

GC Guangdong Sirui Optical Co.: 2 patents #1 of 3Top 35%
Overall (2019): #106,437 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10451214 Anti-rotation structure, a tube structure and a photographic support Jie Li 2019-10-22
10288196 Telescopic waterproof tube structure 2019-05-14