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Patents
Patent Databases and Search Engines. Inventions, Ideas and Patent Recopilations.
Google Patents
Read and download millions of patents and patent applications using Google Patent Search.
Feb 7, 2010
Clicks: 1942
Pagerank: 8
Free Patents Online
Complete Patent Searching Database and Patent Data Analytics Services.
Feb 7, 2010
Clicks: 1926
Pagerank: 8
Public Resource. Home of the Seal of Approval.
Home of the Seal of Approval. Free access to primary legal materials of the United States, video from the United States House of Representatives and data from the U.S. Patent and Trademark Office.
Mar 20, 2012
Clicks: 485
Pagerank: 7
