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For the Inventor, By the Inventor

Carson City, NV, United States of America

Bohlender Graebener Corporation


USPTO Granted Patents = 3

Forward Citations = 9

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1 inventor (with patents filed for the assignee):

goldMedal Igor Levitsky (3 out of 8 patents)


3 patents:

1. 8116512 - Planar speaker driver (2012-02-14),
2. 8031901 - Planar speaker driver (2011-10-04),
3. 8027493 - Biplane line array speaker with arcuate tweeter array providing controlled directivity (2011-09-27),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#44 in Carson City, NV

#674 in Nevada

#72,042 in US

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Carson City, NV, United States of America

Bohlender Graebener Corporation

Forward Citations = 9

1 inventor:

goldMedal Igor Levitsky (3 out of 8 patents)

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