PS

Per Arne T.o slashed.ndel

EA Elkem Aluminium Ans: 1 patents #4 of 6Top 70%
Overall (All Time): #3,759,140 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5582791 Method for grain refining of aluminum and grain refining alloy Lars Arnberg, Gunnar Halvorsen 1996-12-10