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Dag Håverstad

AAAker Kvaerner Mh As: 1 patents #1 of 3Top 35%
Nodeland, NO: #1 of 1 inventorsTop 100%
Overall (2011): #323,271 of 364,097Top 90%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7931077 Top drive drilling apparatus Bjørn Rudshaug 2011-04-26

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