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For the Inventor, By the Inventor

Solingen, Germany

Zweibroder Stahlwarenkontor Gmbh


USPTO Granted Patents = 1

Forward Citations = 39

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1 inventor (with patents filed for the assignee):

goldMedal Harald Opolka (1 out of 7 patents)


1 patent:

1. D450873 - Penlight (2001-11-21),
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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#60 in Solingen

#15,109 in Germany

...
Solingen, Germany

Zweibroder Stahlwarenkontor Gmbh

Forward Citations = 39

1 inventor:

goldMedal Harald Opolka (1 out of 7 patents)

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