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patft.uspto.govThe US Patent and Trademark Office (PTO) offers World-Wide Web (Web) access to bibliographic and full-text patent databases.瀏覽：1217 -
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www.uspto.govHome 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瀏覽：1104
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日期：2025-04-22
A patent is a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time, in exchange for the public disclosure of the invention. An invention is a solution to a ......
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日期：2025-04-25
Site search Search current area only Advanced search Patent search Advanced patent search Deutsch English Français Contact About us European Patent Organisation The Office Boards of appeal Jobs Tenders Annual ......
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日期：2025-04-22
Home page of the United States Patent and Trademark Office's main web site....
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日期：2025-04-26
Complete Patent Searching Database and Patent Data Analytics Services....
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日期：2025-04-20
Note that most fields support Phrase (ABST/"cardboard box"), Proximity ......
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日期：2025-04-24
Espacenet. Logo European Patent Office. Espacenet. Patent search. Deutsch ·
English · Français · Contact. Change country. Austria · Belgium · Bulgaria · China
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日期：2025-04-24
2011年3月24日 - Espacenet - patent search. ... GPI - advanced search. Espacenet. Patent search. Espacenet offers free access to more than 80 million patent ......
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