20 Utility Patents
#32 in Essen
#8,525 in Germany
#167,713 in the World
Forward Citations = 84
Company Filing History:
Bergwerksverband Gmbh
Didier Engineering Gmbh
where one patent can have more than one assignee
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#32 in Essen
#8,525 in Germany
#167,713 in the World
Company Filing History:
Get your Inventor Badge Today