請問如何查詢美國公開專利? - 專利
By Lily
at 2014-03-09T23:38
at 2014-03-09T23:38
Table of Contents
請問怎麼查詢美國公開專利? 指專利申請案滿18月早期公開的案子。
在下面這個網站只查得到公告的案子。
http://patft.uspto.gov/netahtml/PTO/search-bool.html
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