19 Utility and 1 Design Patents
#1 in Sioux City, IA
#503 in Iowa
#91,781 in US
#181,319 in the World
rank by utility patentsForward Citations = 440
Company Filing History:
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#1 in Sioux City, IA
#503 in Iowa
#91,781 in US
#181,319 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today