Musical keyboard

Details Musical keyboard Musical keyboard

1994-12-05

1996-08-27

Nunn, Freda

Musical instruments

Keyboard type

D14115

Patent

active

D03731340

REFERENCES:
patent: D344971 (1994-03-01), Roose
patent: D345967 (1994-04-01), Kroner
patent: D354053 (1995-01-01), Kao
patent: D358808 (1995-05-01), Murdoch et al.
patent: 4352313 (1982-10-01), Ny
patent: 4655117 (1987-04-01), Roose
patent: 4704940 (1987-11-01), Cummings
patent: 5088378 (1992-02-01), DaLaTorre
patent: 5392682 (1995-02-01), McCartney-Hoy
Customizable Keys Using Add-On "Plugs", IBM Technical Disclosure Bulletin, vol. 33, No. 1B, Jun., 1990.

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