Guide for patent draftsmen
Contributors: United States. Patent and Trademark Office
Edition: Rev. Jan. 1989
Publisher: U.S. Dept. of Commerce, Patent and Trademark Office; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1989
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Patents -- United States -- Handbooks, manuals, etc; Mechanical drawing -- Handbooks, manuals, etc
Notes: "Selected rules of practice relating to patent drawings"--Cover

Shipping list no.: 89-237-P

"PAT-012.1-7502."