GS

Gary L. Spence

AS Asarco: 1 patents #23 of 71Top 35%
Overall (All Time): #3,792,779 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., Stephen L. Ferrel 1994-03-15