RB

Rolf Berthelius

KA Kanthal Ab: 1 patents #9 of 32Top 30%
Overall (All Time): #3,918,941 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797537 Foil element Tommy Fredriksson 1989-01-10