Cover image for Q & A about patents : answers to questions frequently asked about patents.
Q & A about patents : answers to questions frequently asked about patents.
Title:
Q & A about patents : answers to questions frequently asked about patents.
Author:
United States. Patent Office.
Edition:
Revised edition.
Publication Information:
[Washington] : U.S. Dept. of Commerce, 1975.
Physical Description:
14 pages : illustrations ; 24 cm
General Note:
Cover title.
Language:
English
Format :
Book