Patents - Inventor Surname "Amwake"
Amwake, Jacob B. 1889/10/29 -> 413799 - > 
Amwake, Jacob B. 1893/04/04 -> 494540 - > 
Amwake, Jacob B. 1895/05/28 -> 540006 - > 
Amwake, Jacob B. 1897/03/16 -> 578791 - > 
Amwake, William F. H. 1878/03/12 -> 201084 - > 
5 Patents Listed