Keyboard

Details Keyboard Keyboard

1993-09-02

1995-12-26

Nunn, Freda

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03655520

REFERENCES:
patent: D323817 (1992-02-01), Buchin
patent: D340445 (1993-10-01), Marquardt et al.
patent: D341134 (1993-11-01), Marquardt et al.
patent: D346376 (1994-04-01), Marquardt et al.
Ergonomische Tastaturgestaltung from Fraunhofer-Institut Design For An Ergonomic Keyboard.

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