14 Utility and 29 Design Patents
#56 in Chicago, IL
#213 in Illinois
#3,111 in US
#5,353 in the World
rank by design patentsForward Citations = 2,484
Company Filing History:



4. 3 out of 243
Marconi Communications Gmbh
5. 3 out of 20,281

where one patent can have more than one assignee
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