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Bad Essen, Germany

Firma Heinrich Wilhelm Dreyer

USPTO Granted Patents = 1

Forward Citations = 17

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2 inventors (with patents filed for the assignee):

Fritz Diedrich (1 out of 2 patents)

Hans Kirchmann (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. D251098 - Portable adjustable seat (1979-02-20),

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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#6 in Bad Essen

#15,083 in Germany

Bad Essen, Germany

Firma Heinrich Wilhelm Dreyer

Forward Citations = 17

2 inventors:

Fritz Diedrich (1 out of 2 patents)

Hans Kirchmann (1 out of 1 patent)

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