Musical instruments – Keyboard type
Patent
1989-05-23
1991-09-17
Ansher, Bernard
Musical instruments
Keyboard type
D17 5
Patent
active
D03200329
REFERENCES:
patent: D265832 (1982-08-01), Kira et al.
patent: D289411 (1987-04-01), Bellini
patent: D289412 (1987-04-01), Bellini
patent: D290370 (1987-06-01), Bellini
patent: D312265 (1990-11-01), Naito
patent: D313033 (1990-12-01), Mizushima
patent: 4653375 (1987-03-01), Honda et al.
HFD, 8/24/87, p. 98, (Casio SK-2100).
Evans Catalog, 1987-1988, p. 311, (Casio Keyboard, Item 1).
Ansher Bernard
Aronovich Adir
Yamaha Corporation
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