SS

Sten Sirén

📍 Maaninka, FI: #1 of 3 inventorsTop 35%
Overall (1997): #74,283 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5632916 Laser marking method and a metal surface marked by this method Reijo Lappalainen, Teijo Salmi, Pertti Helle 1997-05-27