Guide for patent draftsmen.
APA Citation
United States. Patent and Trademark Office. (1980). Guide for patent draftsmen. Rev. May 1980. [Washington D.C.?]: U.S. Dept. of Commerce, Patent and Trademark Office .
MLA Citation
United States. Patent and Trademark Office. Guide for Patent Draftsmen. Rev. May 1980. [Washington D.C.?]: U.S. Dept. of Commerce, Patent and Trademark Office , 1980.
Warning: These citations may not always be complete (especially for serials).