Database by Subject: Patents
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From the DoD (Department of Defense) |
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Free, full-text, searchable access to patents from 1976 to the present; TIFF or PDF copies of patents can be downloaded for free (TIFF is downloaded one page at a time); free registration required to display PDF files. |
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Beta site offering searchable access to US patents from 1790 to mid-2006 (Google plans to expand coverage over time); patents can be downloaded as PDF files. |
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News, business and legal information including federal and state cases and statutes, and U.S. Supreme Court decisions since 1790. |
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Free, full-text access to all patents filed with USPTO; patents from 1976 to the present are searchable and patents from 1976 to the present are available as images |