Products and services catalog Information Dissemination Organizations - Washington D.C. Information Dissemination Organizations, U.S. Dept. of Commerce, Patent and Trademark Office [1996?-

Some issues have U.S. Patent and Trademark Office at head of title


Patents--Databases
Trademarks--Information services
Patents--Information services
Trademarks--Databases

0254-B-01

C 21.30