WK

William Kappel

SC Sigma-Aldrich Co.: 1 patents #1 of 5Top 20%
📍 Oakville, MO: #1 of 4 inventorsTop 25%
🗺 Missouri: #367 of 1,513 inventorsTop 25%
Overall (2003): #92,204 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6623655 Metal chelating compositions Venkatappa Viswanatha, Handong Li, Richard Mehigh, John Dapron 2003-09-23