27 Utility and 11 Design Patents
#91 in Vancouver
#1,460 in Canada
#108,515 in the World
rank by utility patentsForward Citations = 1,580
Company Filing History:
Espro Inc.
Questair Technologies Inc.

4. 1 out of 8

5. 1 out of 3
Questor Industries Inc.
where one patent can have more than one assignee
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