RB

Rolf Berthelius

KA Kanthal Ab: 1 patents #1 of 6Top 20%
Overall (1989): #135,495 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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