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  1. United States Patent and Trademark Office
    https://www.uspto.gov/patents/search

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    • To see if your idea has been patented abroad, you'll want to refer to searchable databases made available from other International Intellectual Property offices. Free online access to patent collections is provi… See more

    Patent Public Search

    The Patent Public Searchtool is a new web-based patent search application that will … See more

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    Global Dossier

    Global Dossier is a set of business services aimed at modernizing the global patent system and delivering benefits to all stakeholders through a single portal/user interface. T… See more

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    Patent Application Information Retrieval

    The Patent Application Information Retrieval (PAIR)system provides IP customers a safe, simple, and secure way to retrieve and download information regarding p… See more

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    Public Search Facility

    The United States Patent and Trademark Office (USPTO) Public Search Facilitylocated in Alexandria, VA provides the public access to patent and trademark information … See more

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    Your nearest Patent and Trademark Resource Center (PTRC)maintains local search resources and may offer training in patent search techniques. 1. Find your nearest PT… See more

    United States Patent and Trademark Office
    Patent Official Gazette

    The Electronic Official Gazetteallows users to browse through the issued patents for the current week. The Official Gazette can be browsed by classification or type of patent, for … See more

    United States Patent and Trademark Office
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  2. Free Patents Online
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  7. United States Patent and Trademark Office
    https://www.uspto.gov/patent

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  8. Justia Patents Search
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  9. United States Patent and Trademark Office
    https://www.uspto.gov

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  10. USPTO
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  11. Free Patents Online
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  12. USPTO Public Pair
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  14. Library Guides at Iowa State University
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  15. United States Patent and Trademark Office
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  18. Patent Center
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  19. Free Patents Online
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  20. USPTO Public Pair
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  21. United States Patent and Trademark Office
    https://www.uspto.gov/trademarks/search

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  22. United States Patent and Trademark Office
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