Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1993-02-16
1995-01-10
Nunn, Freda S.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03542793
REFERENCES:
patent: D323817 (1992-02-01), Buchin
patent: D338665 (1993-08-01), Riley et al.
patent: D339800 (1993-09-01), Louis
patent: D340445 (1993-10-01), Marquardt et al.
patent: D341134 (1993-11-01), Marquardt et al.
Ergonomische Tastaturgestaltung-From Fraunhofer-Institut Design for Ergonomic Keyboard.
Article from San Francisco Examiner undated.
Photograph of Product Manufactured by Typeright Keyboard Company, San Diego, Calif. Feb. 17, 1993.
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