14 Utility and 109 Design Patents
#40 in San Francisco, US
#109 in
#303 in US
#448 in the World
rank by design patentsForward Citations = 3,690
Company Filing History:



4. 5 out of 105
Tonal Systems, Inc.
5. 5 out of 6
Esselte Ipr Ab
where one patent can have more than one assignee
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