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![Espacenet: EPO]()
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 ...瀏覽：864 -
![TheFreeDictionary.com - patent - definition of patent by the Free ...]()
www.thefreedictionary.compat·ent - n. 1. a. A grant made by a government that confers upon the creator of an invention the sole right to make, use, and sell that invention for a set period of time.瀏覽：919
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日期：2026-04-22
www.pat2pdf.org - A FREE patent search tool. Download U.S. patents (in PDF)
and more! To download a copy of a ......
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日期：2026-04-21
A list of online databases for a free patent search covering Canada - United
States - Europe - WIPO and the EPO free ......
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日期：2026-04-20
11 Jun 2014 ... Logo European Patent Office. Espacenet ... About Espacenet; Other EPO online
services. Searching ......
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日期：2026-04-25
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 ra...
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日期：2026-04-19
2009年7月4日 - Find existing patents, published patent applications and other published patent documentation....
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日期：2026-04-25
The USPTO Web site can be word-searched using the FirstGov search engine. Use the Search button in the toolbar above to conduct a text search of informational pages on the USPTO Web site. You can restrict your search to some selected portions of the site ...
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日期：2026-04-24
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....
Free Trademark Search Online | Trademark filing & Trademark Registration Application | Online Corpor
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日期：2026-04-21
Trademarkia - the largest search engine for trademarks. Free Trademark Search Online. Trademark a name, a slogan, or logo. Trademark registration application online. Incorporate your business to gain the benefits of the business tax structure and asset pr...
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