For the Inventor, By the Inventor

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Trossingen, Germany

Hohner Musikinstrumente Gmbh

USPTO Granted Patents = 3

EPO Patents = 1

Trademarks = 20

Forward Citations = 4

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6 inventors (with patents filed for the assignee):

Knut Hoyer (1 out of 7 patents)

Thomas Trapp (1 out of 1 patent)

Ines Weber (1 out of 1 patent)

4. Gerhard Müller (1 out of 1 patent)

5. Ingo Aurin (1 out of 1 patent)

6. Peter Von Maydell (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 11610566 - Harmonica (2023-03-21),

2. 10733967 - Handpull musical instrument (2020-08-04),

3. D861776 - Handpull musical instrument (2019-10-01),

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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#3 in Trossingen

#8,278 in Germany

Trossingen, Germany

Hohner Musikinstrumente Gmbh

Forward Citations = 4

6 inventors:

Knut Hoyer (1 out of 7 patents)

Thomas Trapp (1 out of 1 patent)

Ines Weber (1 out of 1 patent)

4. Gerhard Müller (1 out of 1 patent)

5. Ingo Aurin (1 out of 1 patent)

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