Key unit for a keyboard musical instrument

Details Key unit for a keyboard musical instrument Key unit for a keyboard musical instrument

1988-01-25

1990-09-18

Ansher, Bernard

Musical instruments

Keyboard type

Element or attachment

Patent

active

D03106780

REFERENCES:
patent: D214169 (1969-05-01), Bowman
patent: D219027 (1970-10-01), Miller
patent: D225858 (1973-01-01), Kline
patent: D272624 (1984-02-01), Genaro et al.
patent: 360255 (1887-03-01), Tanko
patent: 4124313 (1978-11-01), Schmidt et al.
patent: 4202640 (1980-05-01), Schmidt et al.

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