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The US Patent and Trademark Office (
PTO) offers World-Wide Web (Web) ......
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23 Aug 2013 ... The USPTO Web site can be word-searched using the FirstGov search engine.
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Patent Tools & Links PatFT AppFT Search for Patents Find existing patents, published patent applications and other published patent documentation EFS-Web File Online File a patent application online with EFS-Web PAIR Check the ......
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Assignment Search This searchable database contains all recorded Patent Assignment information back to August 1980. If you are looking for trademark data, please visit the Trademark Assignment Query. When relevant information is given to the USPTO to be ....
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2009年7月4日 - Find existing patents, published patent applications and other published patent documentation....