WL

Wu-Chang Liao

Overall (All Time): #2,297,074 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5349835 Cylindrical lock 1994-09-27
4831853 Cylindrical key and method for its productions 1989-05-23