Keyboard

Details Keyboard Keyboard

1991-09-10

1993-11-09

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03411346

REFERENCES:
patent: D317595 (1991-06-01), Yoshitake
patent: D323817 (1992-02-01), Buchin
"Die ergonomische Tastatur. Konsequent in Richtung Zukunft gedacht"; (Marquardt); [Ergonomic Keyboard. Responsibly Conceived towards the Future]; 1987.
"Ergonomische Tastaturgestaltung"; (Fraunhofer-Institut); [Ergonomic Keyboard Configuration].
"Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986.

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