2 Utility and 3 Design Patents
#809 in Chicago, IL
#3,207 in Illinois
#48,917 in US
rank by design patentsForward Citations = 29
Company Filing History:

where one patent can have more than one assignee
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#809 in Chicago, IL
#3,207 in Illinois
#48,917 in US
rank by design patentsCompany Filing History:

Get your Inventor Badge Today