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      • www.uspto.gov
        Home page of the United States Patent and Trademark Office's main web site. ... USPTO 2014-2018 Strategic Plan Available for Public Comment We've released our draft 2014-2018 Strategic Plan that sets priorities to strengthen the USPTO, drive innovation, a
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      • patents.cos.com
        U.S. Patents is no longer available through COS.com. For U.S. Patent information, try visiting www.uspto.gov. COS' parent company, ProQuest, provides seamless access to more than 125 billion digital pages of the ...
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    Home page of the United States Patent and Trademark Office's main web site....
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    美國專利商標局(US Patent and ... Google Patent Search 美國專利搜尋網站....
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    Search more than seven million U.S. patents....
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    U.S. Patent and Trademark Office The U.S. Patent and Trademark Office is the agency responsible for granting U.S. patents and registering trademarks....
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    Home page of the United States Patent and Trademark Office's main web site. ... Access Classification Information by Symbol. Select Classification System: CPC....
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    2009年7月4日 - Find existing patents, published patent applications and other published patent documentation....
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    2015年2月4日 - Information about the U.S. patenting process, including agency organization chart, rules and regulations, FAQs, and online applications....