Musical instruments – Keyboard type
Patent
1988-02-22
1990-11-20
Ansher, Bernard
Musical instruments
Keyboard type
Patent
active
D03122662
REFERENCES:
patent: D265832 (1982-08-01), Kira et al.
patent: D282850 (1986-03-01), Futami
patent: D305772 (1990-01-01), Kitsuyu
patent: 3855894 (1974-12-01), Thomas et al.
Music Trades, Sep. 1985, p. 43.
Music Trades, Apr., 1987, p. 88 (Keytek K-30).
Music Trades, Nov. 1987, p. 6 (Casio F2-1).
Ansher Bernard
Aronovich Adir
Casio Computer Co. Ltd.
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