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日期:2026-04-20
The only known copy of this patent was destroyed in the US patent office fire of 1836. Patents issued to women have been cited in support of the inherent inventiveness and industry of women....
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日期:2026-04-21
Complete Patent Searching Database and Patent Data Analytics Services. ... Note that most fields support Phrase (ABST/"cardboard box"), Proximity (ABST/"cardboard box"~5), Wildcard (ABST/card*), and Leading Wildcard ......
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日期:2026-04-22
The official website of the European Patent Office (EPO). Find information on applying and searching for patents, legal issues on patents, patent grants, rules and regulations about ......
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日期:2026-04-24
Home page of the United States Patent and Trademark Office's main web site....
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日期:2026-04-23
The US Patent and Trademark Office (
PTO) offers World-Wide Web (Web) ......
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日期:2026-04-23
超過 5 筆 - Advanced Patent Search, About Google. Find results. with all of ......
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日期:2026-04-21
Image Mark Ser No Reg No Status Filing Owner Class(es) Goods and Services Image Mark Ser No Reg No Status Filing Owner Class(es) Goods and Services...















