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For the Inventor, By the Inventor

Solingen, Germany

Rixen & Karl Gmbh


USPTO Granted Patents = 1

Forward Citations = 18

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1 inventor (with patents filed for the assignee):

goldMedal Edgar Rixen (1 out of 11 patents)


1 patent:

1. D316055 - Electronic bicycle bell (1991-04-09),
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USPTO Data Jan 1 1976 - Dec 9 2025

1 Patents

#61 in Solingen

#15,187 in Germany

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Solingen, Germany

Rixen & Karl Gmbh

Forward Citations = 18

1 inventor:

goldMedal Edgar Rixen (1 out of 11 patents)

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