Patents - Inventor Surname "Young"
Young, Hiram J. 1922/02/21 -> 1407312 - > 
Young, Leonard Weare 1947/10/14 -> 2428902 - > 
Young, Nestor A. 1879/02/25 -> 212780 - > 
Young, William C. 1891/04/07 -> 449924 - > 
Young, William R. 1877/11/27 -> 197582 - > 
5 Patents Listed