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For the Inventor, By the Inventor

Laksvag, Norway

Multifield Geophysics As


USPTO Granted Patents = 2


Forward Citations = 13

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3 inventors (with patents filed for the assignee):

goldMedal Svein Erling Johnstad (2 out of 7 patents)

silverMedal Harald Westerdahl (1 out of 22 patents)

bronzeMedal Brian Anthony Farrelly (1 out of 3 patents)


2 patents:

1. 9176254 - Electromagnetic and seismic streamer cable and method for using such a streamer cable (2015-11-03),
2. 7982465 - Electromagnetic method on shallow water using a controlled source (2011-07-19),
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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#1 in Laksvag

#718 in Norway

...
Laksvag, Norway

Multifield Geophysics As

Forward Citations = 13

3 inventors:

goldMedal Svein Erling Johnstad (2 out of 7 patents)

silverMedal Harald Westerdahl (1 out of 22 patents)

bronzeMedal Brian Anthony Farrelly (1 out of 3 patents)

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