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Patent Search Index |
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US Patent Office Patent Database | USPTO patent database, covers January 1, 1976 to present, full-text searchable and can view images | |||||||||
| Esp@cenet International Patent Search | Searchable EP, WO, Japanese and worldwide patent documents, at EPO site | ||||||||||
| espacenet information | Table of links for accessing esp@cenet through national offices of EPO member states, includes national patent documents, EP, WO, Japanese, and worldwide patent documents (language supported indicated), at EPO site | ||||||||||
| Software Patent Institute | Database of non-patent documents relating to computer technology, including manuals, technical reports, articles, and textbooks, from 1987 and before, at SPI site. | ||||||||||
| Searching Patent Abstracts of Japan | Japanese Patent Office, English language abstract search (click on "Searching PAJ") |
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