Musical instruments – Keyboard type
Patent
1997-10-21
1998-11-24
Morris, Sandra L.
Musical instruments
Keyboard type
D17 5, 1701
Patent
active
D04016114
REFERENCES:
patent: D282850 (1986-03-01), Futami
patent: D345370 (1994-03-01), Miyamoto et al.
patent: D355666 (1995-02-01), Mikage
patent: D389507 (1998-01-01), Honda
patent: 5157213 (1992-10-01), Kashio et al.
HFD, p. 103 (Casio keyboard), Mar. 1988.
Aronovich Adir
Morris Sandra L.
Yamaha Corporation
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