For the Inventor, By the Inventor

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Coburg, Germany

Brose Schliesssysteme Gmbh

USPTO Granted Patents = 3

Forward Citations = 27

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4 inventors (with patents filed for the assignee):

Checrallah Kachouh (2 out of 21 patents)

Bernd Weyerstall (1 out of 26 patents)

Norbert Frohne-Brinkmann (1 out of 2 patents)

4. Frank Kunst (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 6522095 - Motor vehicle door lock (2003-02-18),

2. 6520550 - Motor vehicle lock with anti-theft feature (2003-02-18),

3. 6519987 - Motor vehicle door lock system with passive entry function and high-speed unlocking (2003-02-18),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#20 in Coburg

#8,282 in Germany

Coburg, Germany

Brose Schliesssysteme Gmbh

Forward Citations = 27

4 inventors:

Checrallah Kachouh (2 out of 21 patents)

Bernd Weyerstall (1 out of 26 patents)

Norbert Frohne-Brinkmann (1 out of 2 patents)

4. Frank Kunst (1 out of 3 patents)

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