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For the Inventor, By the Inventor

Friedrichshafen, Germany

Firma Erich Sieger


USPTO Granted Patents = 1

Forward Citations = 13

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1 inventor (with patents filed for the assignee):

goldMedal Erich Sieger (1 out of 5 patents)


1 patent:

1. 7243517 - Method and device for deforming a workpiece made of a material having an exponential tensile stress-strain behavior into a thin-walled, hollow shell (2007-07-17),
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USPTO Data Jan 1 1976 - Dec 23 2025

1 Patents

#24 in Friedrichshafen

#15,085 in Germany

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Friedrichshafen, Germany

Firma Erich Sieger

Forward Citations = 13

1 inventor:

goldMedal Erich Sieger (1 out of 5 patents)

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