PB

Per-Erik Berger

📍 Kolltveit, NO: #1 of 2 inventorsTop 50%
Overall (2024): #314,864 of 561,600Top 60%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11891858 Method and apparatus for alternating between coring and drilling without tripping operations Alf Erik Berle 2024-02-06