U.S. Patent and Trademark databases covering patents from January 1, 1976 to the most recent weekly issue. Searchable by key word, patent number, and classification.
Remote Access: free
On-site Access: yes
U.S. Patent and Trademark databases covering patents from January 1, 1976 to the most recent weekly issue. Searchable by key word, patent number, and classification.
Remote Access: free
On-site Access: yes