YL

Yen Tung Yan Lau

SL Specialife Industries Limited: 1 patents #3 of 3Top 100%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,224,453 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D439042 Card holder 2001-03-20
5287680 Vacuum packing device 1994-02-22