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For the Inventor, By the Inventor

Narum, Denmark

A/s Bruel & Kjar


USPTO Granted Patents = 1

Forward Citations = 6

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1 inventor (with patents filed for the assignee):

goldMedal Erling Frederiksen (1 out of 5 patents)


1 patent:

1. 4777650 - Dual cavity pressure microphones (1988-10-11),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#1 in Narum

#1,425 in Denmark

...
Narum, Denmark

A/s Bruel & Kjar

Forward Citations = 6

1 inventor:

goldMedal Erling Frederiksen (1 out of 5 patents)

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