ER

Erling Røyrvik

📍 Leirvik, NO: #6 of 17 inventorsTop 40%
Overall (All Time): #3,564,561 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6485000 Device by ball valve Ingolf Klyde, Einar Saghaug 2002-11-26