21 Utility and 1 Design Patents
#1 in Dewitt, IA
#409 in Iowa
#78,230 in US
#153,348 in the World
rank by utility patentsForward Citations = 117
Company Filing History:

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#1 in Dewitt, IA
#409 in Iowa
#78,230 in US
#153,348 in the World
rank by utility patentsCompany Filing History:

Get your Inventor Badge Today