Trademark rules of practice of the Patent and Trademark Office with forms and statutes. - United States. Patent and Trademark Office (Washington, : U.S. Dept. of Commerce, Patent and Trademark Office [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1976)
Loose-leaf for updating.
Updated by revisions and cumulated irregularly.
Keywords: United States. -- Patent and Trademark Office; Trademarks -- Law and legislation -- United States