NS

NilsEric Stjerna

SA Stjernfjadrar Ab: 2 patents #3 of 11Top 30%
Overall (All Time): #2,212,459 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6397418 Double spring mattress and manufacturing process — 2002-06-04
6371458 Spring mattress — 2002-04-16