Information display and entry unit

Details Information display and entry unit Information display and entry unit

1989-06-12

1991-05-28

Burke, Wallace R.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

D14114

Patent

active

D03171515

REFERENCES:
patent: D307134 (1990-04-01), Makidera
patent: D308363 (1990-06-01), Ashihara
patent: 3705956 (1972-12-01), Dertouzos
patent: 4475239 (1984-10-01), van Raamsdonk
patent: 4638118 (1987-01-01), Wang et al.
patent: 4639720 (1987-01-01), Rympalski et al.
patent: 4697048 (1987-09-01), Clements et al.
patent: 4745491 (1988-05-01), Kishi et al.
patent: 4814760 (1989-03-01), Johnston et al.

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