For the Inventor, By the Inventor

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Berlin, Germany

Adam Audio Gmbh

USPTO Granted Patents = 3

EPO Patents = 1

Trademarks = 4

Forward Citations = 2

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1 inventor (with patents filed for the assignee):

Axel Hartmann (3 out of 6 patents)

Christian Frick (0 patent)

3 patents: Sort by Forward Citations

1. D1057686 - Loudspeaker (2025-01-14),

2. D1036418 - Loudspeaker (2024-07-23),

3. D1032559 - Loudspeaker (2024-06-25),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#240 in Berlin

#8,288 in Germany

Berlin, Germany

Adam Audio Gmbh

Forward Citations = 2

1 inventor:

Axel Hartmann (3 out of 6 patents)

Christian Frick (0 patent)

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