VV

Venkatappa Viswanatha

SC Sigma-Aldrich Co.: 2 patents #48 of 187Top 30%
📍 Ballwin, MO: #248 of 595 inventorsTop 45%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,168,070 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7033520 Metal chelating compositions for protein purification, detection or binding William Kappel, Handong Li, Richard Mehigh, John Dapron 2006-04-25
6623655 Metal chelating compositions William Kappel, Handong Li, Richard Mehigh, John Dapron 2003-09-23