Database Information

United States Patent and Trademark Office

Description:
Provides full-text access to patents and trademarks granted since 1976 (full-page images since 1790), as well as patent applications received by the office. Subjects covered include biology, business, chemistry, engineering, optometry, pharmacy, sciences, technology.

Content Types:
Patents and Trademarks

Dates of Coverage:
1790-

Resource Type:
Index

Access Restrictions:
Open access.

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