On the threshold of our third century : the Patent and Trademark Office commemorates 200 years of U.S. patent law, 1790-1990 /

Bibliographic Details
Corporate Author: United States. Patent and Trademark Office
Format: Government Document Book
Language:English
Published: Washington, DC : Dept. of Commerce, Patent and Trademark Office, [1990]
Subjects:
Description
Item Description:Souvenir booklet for the bicentennial celebration.
Donald Kelly, Chairman, Bicentennial Booklet Committee.
Physical Description:40 pages : illustrations ; 22 x 28 cm.