Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-05-15
1993-02-16
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03332977
REFERENCES:
patent: D289903 (1987-05-01), Kikuchi et al.
patent: D290373 (1987-06-01), Yubisui et al.
patent: D290969 (1987-07-01), Sutou et al.
patent: D305754 (1990-01-01), Soren
patent: D312449 (1990-11-01), Komada
patent: D313793 (1991-01-01), Kato
Government Computer News, Oct. 16, 1989 vol. 8 No. 21 p. 27, Handheld Computer.
Burke Wallace R.
International Business Machines - Corporation
Nunn Freda S.
Smith John C.
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