Description:
The Canadian Intellectual Property Office's Canadian Patents Database provides access to patent descriptions and images from 1869 to the present day. The database contains over 2 million patent documents which can be searched for using either keywords, the patent document number, a boolean search or an advanced field-specific search strategy. Users can search either an English or French language version of the same database. For patents granted prior to 15th August 1978, the text of the abstracts and claims is not available.
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