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According to African American Inventors, Joseph H. Dickinson
invented the player piano on June 11, 1912.

Joseph F. Evans

 [ The reference is possibly the book, "African American Inventors",
 [ by Otha Richard Sullivan, Jim Haskins (Editor), (C)1997 John Wiley
 [ & Sons, Inc.  An earlier patent date is given at
 [ http://members.aol.com/ValarieVA/BlackInventors.html
 [ -- Robbie