WA

Willliam Alexander

AC American Colloid: 1 patents #28 of 49Top 60%
Overall (All Time): #3,883,875 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5043076 In situ treatment of waste water to prevent ground water contamination — 1991-08-27