RT

Ragnar Tronstrad

EA Elkem Asa: 1 patents #3 of 4Top 75%
📍 Kristiansand, NO: #5 of 14 inventorsTop 40%
Overall (2011): #115,357 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7879130 Calcium-silicate based slag for treatment of molten silicon Erik Enebakk, Gabriella Maria Tranell 2011-02-01