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