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U.S. Patents through COS is a fully searchable bibliographic database containing all of the approximately 1.7 million U.S. patents issued since 1975.

Language: English Owner: Community of Science Backlinks: 32 Alexa: 426,586 Most Popular In: United States (121,332) Web Safety: 100% Page Rank: 5 Last Checked: 18/08/2013
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