AB

Alf Breivik

📍 Bergen, NO: #4 of 32 inventorsTop 15%
Overall (2022): #540,558 of 548,613Top 100%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11415237 Drill string safety valve device Jan Georg Tveiterås, Helge Hope 2022-08-16