BY

Billy Yung

SC Shell Electric Mfg. (Holdings) Co.: 2 patents #2 of 3Top 70%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,220,243 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6484350 Bagless canister vacuum cleaner — 2002-11-26
6269518 Bagless vacuum cleaner — 2001-08-07