Keyboard

Details Keyboard Keyboard

1993-10-28

1995-03-21

Nunn, Freda S.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03565530

REFERENCES:
patent: D287854 (1987-01-01), Crews
patent: D311522 (1990-10-01), Knight
patent: D315896 (1991-04-01), Brown

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