Facts
- Author
- Cresee, Franklin Allison
- Language
- English
- Project Gutenberg No.
- 22683
- Released on Project Gutenberg
- September 20, 2007
- Bookshelves
- How To ..., Business/Management
- Subjects
- Patents
- Public domain in the USA
- yes
Sources: Project Gutenberg catalogue (public domain), Wikidata (CC0)