United States. Patent and Trademark Office. (1975). Index of trademarks issued from the United States Patent and Trademark Office. The Office.
Chicago Style (17th ed.) CitationUnited States. Patent and Trademark Office. Index of Trademarks Issued from the United States Patent and Trademark Office. Washington: The Office, 1975.
MLA (9th ed.) CitationUnited States. Patent and Trademark Office. Index of Trademarks Issued from the United States Patent and Trademark Office. The Office, 1975.
Warning: These citations may not always be 100% accurate.