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英文字典中文字典相关资料:


  • Google Patents
    Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature
  • Search for patents | USPTO
    Find existing patents, published patent applications, and other published patent documentation
  • U. S. Patent and Trademark Office (USPTO) | USAGov
    The U S Patent and Trademark Office (USPTO) is the agency responsible for granting U S patents and registering trademarks
  • U. S. Patent, Patent Application and Patent Search - Justia Patents Search
    Browse Patents by U S Classification Apparel (Class 2) Baths, closets, sinks, and spittoons (Class 4) Beds (Class 5) Compound tools (Class 7) Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers (Class 8) Boot and shoe making (Class 12) Bridges (Class 14) Brushing, scrubbing, and general cleaning (Class 15)
  • Espacenet – patent search
    Espacenet provides free access to over 120 million patent documents worldwide, enabling users to search, download, compare, and translate patents
  • WIPO - Search International and National Patent Collections
    This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results
  • Understanding Patents: Types, Rights, and Examples
    Understand how patents work, including how they protect inventions, along with the different types available, and their implications for inventors and businesses
  • Patent Searches - Intellectual Property Law: A Beginners Guide . . .
    This guide provides an introduction to intellectual property law and a foundation for researching patents, copyright, and trademarks
  • The Lens - Patent and Scholarly Search and Analysis
    Choose among the 5 apps available to you to search and analyse the DNA, RNA and protein sequences found in patents and how these can inform innovation or shape strategies for research or product development
  • Patent - Wikipedia
    Similar grants included land patents, which were land grants by early state governments in the US, and printing patents, a precursor of modern copyright In modern usage, the term patent usually refers to the right granted to anyone who invents something new, useful and non-obvious





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