Oslo, Norway

Norges Geotekniske Institutt


USPTO Granted Patents = 1

Trademarks = 1

Forward Citations = 30

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3 inventors (with patents filed for the assignee):

goldMedal Harald Westerdahl (1 out of 22 patents)

silverMedal Per Magnus Sparrevik (1 out of 3 patents)

bronzeMedal Christian Madshus (1 out of 1 patent)


1 patent:

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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#284 in Oslo

#1,175 in Norway

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Oslo, Norway
Forward Citations = 30

3 inventors:

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