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Canadian Patents Database

Advanced Search Example #2

This example finds, by list of two hundred, the patents issued in 1999 with canadian inventors and with indication from the owner of his availability of licence.
NOTE: Selecting English or French searches only patents issued on or after August 15, 1978.
Date Search (Optional)
To restrict your search to a specific date range, you must select a date field below. For the date search coverage, see completeness of date fields.