Columbia subject headings:
Government corporations--United States.
Patent laws and legislation--United States.
United States. Patent and Trademark Office--Management.
Harvard subject headings:
Government corporations--United States.
Patent laws and legislation--United States.
United States. Patent and Trademark Office--Management.
Princeton subject headings:
Government corporations--United States.
Patent laws and legislation--United States.
United States. Patent and Trademark Office--Management.