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Patents
Canadian
Patents Database
Access over 75 years of patent descriptions and images
from the Canadian Intellectual Property Office. You can
search, retrieve and study more than 1,500,000 patent documents.
Google - Patent
Search
Search over 7 million patents using Google Patent Search.
US Patent and Trademark
Office
Access full text of US patents from the US Patent and Trademark
Office (USPO). Contains useful guides on frequently asked
questions and tips on searching the database.
US
Department of Agricultural Biotechnology Intellectual Property
This database identifies and describes U.S. utility patents
on inventions in biotechnology and other biological processes
issued between 1976 and 2000 used in food and agriculture.
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