Catalog of government patents
By: prepared by National Technical Information Service, U.S. Department of Commerce.
Contributors: United States. National Technical Information Service.
Publisher: National Technical Information Service, U.S. Dept of Commerce; U.S. G.P.O.
Place of publication: Springfield Va
Subjects: Patents -- United States -- Catalogs.; Patents, Government-owned -- United States -- Catalogs.
Notes: "January 1981-September 1982."

"PB 81-140600."
Table of contents: value: v.1. Chemical and related arts, 1966-74. Chapters 1-35.; value: v.2. Electrical and related arts, 1966-74. Chapters 36-87.; value: v.3. General and mechanical, 1966-74. Chapters 88-255.; value: v.4. Abstracts 1975-80.; value: v.5. Index 1975-80.