Musical instruments – Keyboard type – Element or attachment
Design Patent
2011-04-19
2011-04-19
Murphy, Celia A (Department: 2916)
Musical instruments
Keyboard type
Element or attachment
Design Patent
active
D0636430
CLAIM:
The ornamental design for a damper lever for grand piano, as shown.
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patent: 6348645 (2002-02-01), Yamashita
patent: 6632988 (2003-10-01), Jones et al.
patent: D499755 (2004-12-01), Ohno
patent: 7807907 (2010-10-01), Inoue
Burgett Kirk
Clark Bruce E.
Hanson Charles D
Murphy Celia A
Simmermon Craig A.
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