Patents

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• European Patent Office 
  This is the official Web site of the European Patent Office, the executive body of the European Patent Organisation.
  http://www.european-patent-office.org/index.en.php - More

• UK Patent Office 
  The Patent Office is the UK body that is responsible for copyright, designs, patents and trade marks.
  http://www.patent.gov.uk/ - More

• United States Patent and Trademark Office 
  The only official Web site of the United States Patent and Trademark Office, an Agency of the U. S. Department of Commerce
  http://www.uspto.gov - More

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