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For the Inventor, By the Inventor

Wuppertal, Germany

Firma Hermann Werner Gmbh & Co.


USPTO Granted Patents = 1

Forward Citations = 33

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1 inventor (with patents filed for the assignee):

goldMedal Karl Lieser (1 out of 12 patents)


1 patent:

1. 4404874 - Screwdriver with replaceable blade (1983-09-20),
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USPTO Data Jan 1 1976 - Dec 16 2025

1 Patents

#167 in Wuppertal

#15,083 in Germany

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Wuppertal, Germany

Firma Hermann Werner Gmbh & Co.

Forward Citations = 33

1 inventor:

goldMedal Karl Lieser (1 out of 12 patents)

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