7 Utility and 10 Design Patents
#239 in Chicago, IL
#916 in Illinois
#13,260 in US
#23,469 in the World
rank by design patentsForward Citations = 113
Company Filing History:
Dpg USA Inc.


4. 1 out of 31

5. 1 out of 4
Gramovox, LLC
where one patent can have more than one assignee
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