6 Utility Patents
#211 in Essen
#43,412 in Germany
#697,517 in the World
Forward Citations = 20
Company Filing History:
Bergwerksverband Gmbh
Didier Engineering Gmbh
where one patent can have more than one assignee
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#211 in Essen
#43,412 in Germany
#697,517 in the World
Company Filing History:
Get your Inventor Badge Today