3 Utility Patents
#581 in Edmonton
#24,018 in Canada
Forward Citations = 66
Company Filing History:
Imperial Oil Limited
Gulf Oil Canada Ltd.
Canada-cities Service, Ltd.
4. 3 out of 17
Ontario Energy Corporation
5. 2 out of 536
Her Majesty the Queen in Right of Canada, As Represented by the Minister
where one patent can have more than one assignee
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