Manual data input electronic notebook

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment

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D03227774

REFERENCES:
patent: D306013 (1990-02-01), Kato et al.
patent: D307134 (1990-04-01), Makidera
patent: D308364 (1990-06-01), Beasley, Jr. et al.
patent: D310521 (1990-09-01), Leung
patent: D313409 (1991-01-01), Chowdhree et al.
patent: D317151 (1991-05-01), Daly
patent: D317446 (1991-06-01), Vossoughi et al.
patent: 4639720 (1987-01-01), Rympalski et al.
patent: 4785564 (1988-11-01), Gurtler
patent: 4918632 (1990-04-01), York
Computer Products, Jul. 1988, Front Cover Scriptel Pen Writer.

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