PB

Per-Erik Berger

BH Baker Hughes Holdings: 2 patents #38 of 276Top 15%
📍 Kolltveit, NO: #1 of 1 inventorsTop 100%
Overall (2003): #48,502 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6585045 Formation testing while drilling apparatus with axially and spirally mounted ports Jaedong Lee, John M. Michaels, Volker Krueger, Matthias Meister 2003-07-01
6581455 Modified formation testing apparatus with borehole grippers and method of formation testing Volker Krueger, Matthias Meister, John M. Michaels, Jaedong Lee 2003-06-24