Keyboard

Details Keyboard Keyboard

1997-07-02

1998-07-07

Nunn, Freda

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

1402

Patent

active

D03958809

REFERENCES:
patent: D250022 (1978-10-01), Pycha
patent: D263827 (1982-04-01), Pemberton
patent: D269875 (1983-07-01), Ishida
patent: D299464 (1989-01-01), Shiozawa et al.
patent: D300534 (1989-04-01), Luong
patent: D302809 (1989-08-01), Boucher

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