Musical instruments – Keyboard type
Patent
1989-04-03
1991-07-02
Ansher, Bernard
Musical instruments
Keyboard type
Patent
active
D03179311
REFERENCES:
patent: D282850 (1986-03-01), Futami
patent: D289412 (1987-04-01), Bellini
patent: D290370 (1987-06-01), Bellini
patent: D313033 (1990-12-01), Mizushima
patent: 4653375 (1987-03-01), Honda et al.
HFD, 8/24/87, p. 48 (Casio SK-2100 Keyboard).
Evans Catalog, 1987-1988, p. 311 (Casio Keyboard, Item 1).
Koide Masaki
Ohashi Yumiko
Ansher Bernard
Aronovich Adir
Casio Computer Co. Ltd.
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