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    • patft.uspto.gov
      The US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access to bibliographic and full-text patent databases.
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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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日期:2026-04-21
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日期:2026-04-19
Global Patent Search Network (GPSN) Global Patent Search Network (GPSN) enables users to search the full text of multiple international patent collections. The initial collection available will be Chinese patent ......
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日期:2026-04-22
Home page of the United States Patent and Trademark Office's main web site....
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日期:2026-04-23
The US Patent and Trademark Office ( PTO) offers World-Wide Web (Web) ......
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日期:2026-04-18
Search more than seven million U.S. patents....
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日期:2026-04-17
由於這個網站的 robots.txt, 因此無法提供此結果的說明 – 瞭解詳情。...
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日期:2026-04-22
由於這個網站的 robots.txt, 因此無法提供此結果的說明 – 瞭解詳情。...
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日期:2026-04-18
2013年9月30日 - See this important information about searching for patents: ... How to Conduct a Preliminary U.S. Patent Search: A Step by Step Strategy - Web ......