How to make patent drawings, a brief treatise on patent drafting for the use of students, draftsmen and inventors
- publisher: Schenectady, N.Y., Patent drafting syndicate
- creator: Fulmer, Lester Henry, 1885-
- Keyword: Mechanical drawing.
- years: 1919.
- pages: 44 p.
- class: T357
- download: pdf file
