SF

Stephen L. Ferrel

AS Asarco: 1 patents #23 of 71Top 35%
Overall (All Time): #3,792,780 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5293924 Manufacture of copper rod John R. Hugens, Jr., Gary L. Spence 1994-03-15