15 Utility Patents
#64 in Essen
#13,239 in Germany
#246,055 in the World
Forward Citations = 197
Company Filing History:
Bergwerksverband Gmbh

where one patent can have more than one assignee
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#64 in Essen
#13,239 in Germany
#246,055 in the World
Company Filing History:

Get your Inventor Badge Today