DS

David E. Sanger

AS Asarco: 1 patents #23 of 71Top 35%
Overall (All Time): #3,748,753 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5540749 Production of spherical bismuth shot Taie Li, Duane M. Yantorno 1996-07-30