DK

Doris Kwok

PT Praxair S.T. Technology: 4 patents #23 of 143Top 20%
📍 Fishers, IN: #173 of 589 inventorsTop 30%
🗺 Indiana: #8,550 of 33,936 inventorsTop 30%
Overall (All Time): #1,274,481 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6491837 Polishing slurry Lei Liu 2002-12-10
6299795 Polishing slurry Lei Liu 2001-10-09
6261476 Hybrid polishing slurry James Kent Knapp 2001-07-17
6162268 Polishing slurry James Kent Knapp 2000-12-19