6 Utility Patents
#1 in Erpel
#43,169 in Germany
#695,828 in the World
Forward Citations = 35
Company Filing History:

Gustav Wiegard Maschinenfabrik
where one patent can have more than one assignee
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#1 in Erpel
#43,169 in Germany
#695,828 in the World
Company Filing History:

Get your Inventor Badge Today