Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-11-30
1993-04-27
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D03351238
REFERENCES:
patent: D274431 (1984-06-01), Nagaya
patent: D290256 (1987-06-01), Sapper
patent: D291442 (1987-08-01), Kurihara
patent: D306285 (1990-02-01), Yu
patent: D308535 (1990-06-01), Kasprzycki
patent: D309895 (1990-08-01), Lampe
patent: D312075 (1990-11-01), Lam
patent: D312248 (1990-11-01), Seki
Toshiba, Aug. 1987, Portable Personal Computer.
McIntosh II, Users Guide, 1989.
Burke Wallace R.
Nunn Freda S.
Smith Corona Corporation
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