Curiosities of the Patent Office
By: by Rene  Bache
Published: 1907
Language: eng
Number of pages: 156
Subjects: Inventors; United States; Inventions; United States. Patent Office; Patents; Women inventors
Description: "In twenty years a record of over five thousand patents, some of which are of great value, stands as evidence of the inventive genius of American women."
Notes: Detached from Cosmopolitan Magazine, June 1907.