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For the Inventor, By the Inventor

Portland, OR, United States of America

Jd Birck, LLC


USPTO Granted Patents = 1

Forward Citations = 1

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1 inventor (with patents filed for the assignee):

goldMedal Jonathan David Birck (1 out of 6 patents)


1 patent:

1. 8419655 - Method and apparatus for aural acoustic immittance measurement (2013-04-16),
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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#583 in Portland, OR

#1,690 in Oregon

#134,345 in US

...
Portland, OR, United States of America

Jd Birck, LLC

Forward Citations = 1

1 inventor:

goldMedal Jonathan David Birck (1 out of 6 patents)

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