DS

David Khiam Keong Sia

AL Alemite: 2 patents #7 of 14Top 50%
📍 Sha Tin, CN: #748 of 2,424 inventorsTop 35%
Overall (All Time): #2,110,669 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7997456 Grease gun Jerry Shew, Raymond Wong 2011-08-16
7523843 Grease gun Jerry Shew, Raymond Wong 2009-04-28