AC

Arthur J. Clem

JC James Clem: 3 patents #2 of 6Top 35%
Overall (All Time): #1,298,103 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5114892 Clay mixture having contamination resistance — 1992-05-19
4997695 Clay mixture having contamination resistance — 1991-03-05
4997701 Seawater resistant clay mixture — 1991-03-05
4501788 Waterproofing soil — 1985-02-26