AC

Arthur G. Clem

AC American Colloid: 3 patents #8 of 49Top 20%
Overall (All Time): #1,308,784 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4467015 Waterproofing structure — 1984-08-21
4279547 Bentonite-gelled oil waterproofing composition — 1981-07-21
4209568 Bentonite-gelled oil waterproofing composition — 1980-06-24
4194970 Method for screening particulate materials — 1980-03-25