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Patent Search Express
Provides international patent searches along with market and legal evaluations.
www.patentsearchexpress.com/

Patent and Trademark Search Services
Patent and Trademark Services for patent attorneys/agents. Services include Searches and Drafting. 30 years experience, professional results, and competitive rates.
www.4priorart.com/

US Patent Search
Download patents from the United States Patent Office for free.
www.us-patent-search.com/

International Patent Search
International Patent Search delivers quick, thorough, and accurate patent searches that span databases of 65 patent offices in countries around the world including the USPTO, EPO and WIPO.
www.internationalpatentsearch.com/

Legal and Patent Search, Inc.
Intellectual property search company that provides search and marketing assistance for those seeking a patent, trademark or copyright.
www.1800inventor.com/

United States Patent: 6,526,440
Ranking search results by reranking the results based on local inter-connectivity. Inventor Krishna Bharat; assignee Google.
patft.uspto.gov/

Patent search for Ultrasound Therapy Devices
A general Query for issued therapy device patents from the US Patent Office
patft.uspto.gov/

Legal and Patent Search, Inc.
Focusing on the placement of intellectual property lawyers.
www.lps.com/

Patent Search Information Site
Introductory guide to patent information and the conduct of searches.
www.patent-search-information.com/

USA Today: Google Hit With Patent Suit Over 'Paid Listings'
"Internet advertising company Overture Services said Friday it sued search-engine company Google, alleging that Google's system for featuring paid advertisements infringes an Overture patent".
www.usatoday.com/