7 Utility Patents
#37 in Ashiya
#121,462 in Japan
#596,014 in the World
Forward Citations = 137
Company Filing History:


Bergwerksverband Gmbh
where one patent can have more than one assignee
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#37 in Ashiya
#121,462 in Japan
#596,014 in the World
Company Filing History:


Get your Inventor Badge Today