FK

Fridtjof E. T. Kelling

UN Ultra-Centrifuge Nederland N.V.: 1 patents #2 of 19Top 15%
Overall (All Time): #4,103,871 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4182480 Centrifuge for separating helium from natural gas Frederik H. Theyse 1980-01-08