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日期:2024-09-07
提供專利分類號輔助檢索介面 (http://www.uspto.gov/go/classification/),以協助使用者檢索複雜的專利分類號系統。 ... 各種國家查詢,如:發明人國別、專利權人國別查詢時,國別以輸入簡稱方式,Taiwan 輸入TW代替。 進階/指令檢索(Advanced Search) ......
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日期:2024-09-01
23 Aug 2013 ... 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 ......
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日期:2024-09-04
Us Patent Number Search Is A Good Re search Tool Innovators invent and the moment they do, they start ......
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日期:2024-09-06
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:2024-09-07
2014年6月12日 - ... Patent Process · Search for Patents; Withdrawn Patent Numbers ... This listing consists of patent numbers that do not correspond to issued ......
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日期:2024-09-05
Search for patent and application numbers. It's the easiest way to find, get or fetch a patent document from the free servers. ... number: eg. US 2007-0072443 ......