ER

Edwin Roos

Overall (All Time): #2,227,587 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6246712 Arc furnace protection Rodney Murison Whyte, Andrew Bryan Johnston, Jan Abraham Ferreira, Dirk Renaat Gabriel Faveere, Anthony Wayne Wewege 2001-06-12
5161695 Method and apparatus for separating particulate material according to conductivity 1992-11-10