USPTO Web Patent Databases The US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access to bibliographic and full-text patent databases.
United States Patent and Trademark Office 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
patft.uspto.gov 由於此網站的設置,我們無法提供該頁面的具體描述。
科技產業資訊室--全球專利資訊檢索-Patents Search (專利情報。各國專利搜尋。專利搜尋網。專利教室。專利 ... USPTO是美國專利和商標事務的專責行政機構,負責美國專利申請案件,同時也開放免費查詢所有的美國專利資料檢索服務,其中1976年1月以後的美國專利獲證文獻提供全文檢索,1976年前至1790年僅可以專利號及分類號查詢,僅提供專利全文影像。
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FPO IP Research & Communities - Patent Complete Patent Searching Database and Patent Data Analytics Services. ... Note that most fields support Phrase (ABST/"cardboard box"), Proximity (ABST/"cardboard box"~5), Wildcard (ABST/card*), and Leading Wildcard ...
United States Patent and Trademark Office Home page of the United States Patent and Trademark Office's main web site.
全球專利資訊檢索 - 資料庫檢索 - 財團法人國家實驗研究院 美國專利商標局(US Patent and ... Google Patent Search 美國專利搜尋網站.
Uspto - United States Patent and Trademark Office The US Patent and Trademark Office ( PTO) offers World-Wide Web (Web) ...
Google Patent Search Search more than seven million U.S. patents.