3 Utility Patents
#581 in Edmonton
#24,119 in Canada
Forward Citations = 39
Company Filing History:
Canada-cities Service, Ltd.
Her Majesty the Queen in Right of the Province of Alberta, Government of
Her Majesty the Queen in Right of Canada, As Represented by the Minister
4. 2 out of 29
Imperial Oil Limited
5. 2 out of 22
Gulf Oil Canada Ltd.
where one patent can have more than one assignee
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