5 Utility and 1 Design Patents
#1,839 in Chicago, US
#15,531 in
#394,905 in US
#819,030 in the World
rank by utility patentsForward Citations = 147
Company Filing History:
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#1,839 in Chicago, US
#15,531 in
#394,905 in US
#819,030 in the World
rank by utility patentsCompany Filing History:
Get your Inventor Badge Today