XZ

XueWen Zheng

SC Schlage Lock Company: 2 patents #275 of 564Top 50%
Overall (All Time): #1,907,217 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10648197 Multi-mode lock assembly Biao Liu 2020-05-12
9631400 Multi-mode lock assembly Biao Liu 2017-04-25