Title:
Chromatic harmonicon
United States Patent 2461806
US Patent References:
/0708805.html
- - 0708805

/0894437.html
- - 0894437

/0894778.html
- - 0894778

Musical instrument
- - 1698958


Inventors:
Andre, Borel
Publication Date:
02/15/1949
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Assignee:
Andre, Borel
Primary Class:
84/377
Other Classes:
984/137
International Classes:
G10D7/12; G10D7/00
Foreign References:
GB189211637A