by G. D. Rai , S. S. Musaev
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
United States. Congress. Senate. Committee on Patents
Leonardo da Vinci
Peter W. Hawkes
R. C. Hibbeler
R. C. Hibbeler
Walter Isaacson
