ZC

Zhihui CAI

Overall (All Time): #1,835,174 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11306509 Bottom opening password lock 2022-04-19
11248394 Laminated padlock 2022-02-15