JQ

Jia Sen Qiu

C( Cmech (Guangzhou): 3 patents #1 of 3Top 35%
Overall (2020): #85,175 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10844628 Push-pull passage lock housing — 2020-11-24
10844633 Push-pull passage lock mounting device adapted to doors in various sizes — 2020-11-24
10641026 Automatic door stopping-closing device and door — 2020-05-05