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E-Resources
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(1975) Resources In 'History'
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Databases & Article Indexes (362) E-Journals (757) Almanacs & Factbooks (2) Associations, Organizations & Societies (4) Biography (11)
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Important History Patents & Trademarks

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Google Patent Search
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Unrestricted Access

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Related History Patents & Trademarks

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U.S. Patent and Trademark Office
Also Known as: USPTO
Covers all US patents from 1790 onwards. Download or view high-quality images of the actual pages of the patents, including diagrams and structures from 1790 onwards. Patents from 1976 - present are a...   [more]
Unrestricted Access
Supplemental URLs
    Free PDF download of all pages

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