SL

Songdong Liu

Overall (2020): #119,946 of 565,922Top 25%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10761628 Touch control system of electronic product in underwater environment 2020-09-01
10629392 Underwater button switch Jingsong Liu 2020-04-21