United States Patent
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延伸文章資訊
- 1Search for Application - USPTO
- 2Prior Art Search - USPTO
- 3USPTO launches new Patent Public Search tool and webpage
Based on the advanced Patents End-to-End (PE2E) search tool USPTO examiners use to identify prior...
- 4Search for patents - USPTO
Inventors are encouraged to search the USPTO's patent database to see if a patent has already bee...
- 5Patents - USPTO
Patent basics · Patent process step-by-step · Search patents ; Apply for a patent · Get started f...
