JR

Jiaqiang Ruan

MC Master Lock Company: 1 patents #1 of 10Top 10%
📍 Taishan, CN: #1 of 1 inventorsTop 100%
Overall (2004): #14,671 of 270,089Top 6%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6722171 Assembled lock cylinder for door locks 2004-04-20
6708534 Padlock 2004-03-23
D484776 Padlock 2004-01-06
D484777 Padlock shackle 2004-01-06