CS

Chenggang Sun

Overall (All Time): #801,750 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12115468 On-line degassing device for flowing liquid Zhengxi Mi 2024-10-15
D947533 Tool storage box Chao Ma 2022-04-05
D894587 Toolbox Chao Ma 2020-09-01
D882390 Box Chao Ma 2020-04-28
D840207 Handle Chao Ma 2019-02-12
10046443 Ratchet structure for screwdriver Quan Song 2018-08-14