Hattingen, Germany

Maschinefabrik Koppern Gmbh & Co. K.g.


USPTO Granted Patents = 2

Forward Citations = 11

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2 inventors (with patents filed for the assignee):

goldMedal Hans-Georg Bergendahl (2 out of 8 patents)

silverMedal Walter Siepermann (1 out of 1 patent)


2 patents:

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#7 in Hattingen

#10,495 in Germany

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Hattingen, Germany
Forward Citations = 11

2 inventors:

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