Another of his patents

Improved Violin
Chicago, Il
Patent number: 761480
Issue date: May 31, 1904
http://www.google.com/patents?id=N6lqAAA...;q=&f=false

It is mentioned here:
http://www.arcade-museum.com/mtr/MTR-1904-38-23/MTR-1904-38-23-17.pdf

Pete