Guide for patent draftsmen.
Edition: Rev. May 1980.
Publisher: U.S. Dept. of Commerce, Patent and Trademark Office; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1980
Place of publication: [Washington D.C.?]
Language: eng
Number of pages: 19
Subjects: Patents -- United States -- Handbooks, manuals, etc.; Mechanical drawing -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: "Selected rules of practice relating to patent drawings"--Cover.

"PAT-012.1-7502."