CF

Changshun Fang

UN Unknown: 1 patents #265 of 3,190Top 9%
📍 Dongguan, CN: #88 of 259 inventorsTop 35%
Overall (2018): #462,118 of 503,207Top 95%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10109437 Key sound generation device for silicone keyboard Rongshu Li 2018-10-23