7 Utility Patents
#172 in Essen
#36,240 in Germany
#595,289 in the World
Forward Citations = 30
Company Filing History:
Didier Engineering Gmbh
Bergwerksverband Gmbh
where one patent can have more than one assignee
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#172 in Essen
#36,240 in Germany
#595,289 in the World
Company Filing History:
Get your Inventor Badge Today