22 Utility and 2 Design Patents
#46 in Evanston, IL
#2,588 in Illinois
#75,192 in US
#147,523 in the World
rank by utility patentsForward Citations = 406
Company Filing History:


Other
4. 2 out of 3,932

5. 2 out of 209

where one patent can have more than one assignee
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