IFI Comprehensive Database
IFI CLAIMS® Patent Services
Front page and bibliographic data, abstracts and claims from U.S. patents. Chemical and chemically related patents are covered from 1950 to the present, mechanical and electrical patents from 1963 to the present. Design patents are covered from 1980 to the present. U.S. applications published since March 15, 2001, are also included.
Database Summary Sheet: Concise description with all fields, all formats, many examples.
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