22 Utility and 3 Design Patents
#84 in Calgary
#1,978 in Canada
#147,706 in the World
rank by utility patentsForward Citations = 1,039
Company Filing History:
Qsound Ltd.
Intellectual Discovery Co., Ltd.
Other
4. 3 out of 13
Qsound Labs, Inc.
5. 3 out of 7
Headplay (barbados), Inc.
where one patent can have more than one assignee
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