YS

Yanhui Shi

BC Beijing Sevenstar Electronics Co.: 1 patents #1 of 2Top 50%
Overall (2017): #191,253 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9744565 Swing spray device of cleaning apparatus and cleaning method Yi-Cheng Wu 2017-08-29