15 Utility and 11 Design Patents
#3 in St. Francis, MN
#4,252 in Minnesota
#123,757 in US
#247,395 in the World
rank by utility patentsForward Citations = 131
Company Filing History:

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#3 in St. Francis, MN
#4,252 in Minnesota
#123,757 in US
#247,395 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today