WH

Wing H. Heung

AS Asarco: 1 patents #23 of 71Top 35%
Overall (All Time): #3,855,838 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5133948 Process for the removal of bismuth from copper refining electrolyte by using lead oxide Michael G. King, Jonathan S. Jackson 1992-07-28