Musical instruments – Keyboard type
Patent
1988-12-05
1991-09-10
Ansher, Bernard
Musical instruments
Keyboard type
Patent
active
D03198359
REFERENCES:
patent: D282850 (1986-03-01), Futami
patent: D289412 (1987-04-01), Bellini
patent: D312651 (1990-12-01), Yamawaki
patent: D313034 (1990-12-01), Koide
patent: D313035 (1990-12-01), Katsuhara et al.
HFD, 3/14/88, p. 103.
HFD, 8/24/87, p. 48 (Casio SK-2100 Keyboard).
Evans Catalog, 1987-1988, p. 311, (Casio Keyboard Item 1).
Ansher Bernard
Aronovich Adir
Casio Computer Co. LTD.
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