Google Patents
Description:
Google Patents provides searchable patent information (including grants, published applications, assignments, classification information, and maintenance fee events) and trademark information (including registrations, applications, assignments, and TTAB proceedings) from the United States Patent and Trademark Office. The database includes over seven million patents dating as far back as 1790.
Content Types:
Patents and Trademarks
Resource Type:
Index
Producer:
United States Patent and Trademark Office/Google
Access Restrictions:
Open access.