Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Patent
1992-06-16
1993-11-30
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Radio transceiver
Patent
active
D03418294
REFERENCES:
patent: D298243 (1988-10-01), Watanabe
patent: D298321 (1988-11-01), Watanabe
patent: D306291 (1990-02-01), Watanabe et al.
patent: D319232 (1991-08-01), Konno et al.
patent: D321183 (1991-10-01), Powell et al.
patent: D322435 (1991-12-01), Nakamachi et al.
patent: D335878 (1993-05-01), Roegner
patent: 4979205 (1990-12-01), Haraguchi et al.
Motorola Inc. Ultra Classic ad.
Asch Jeffrey
Douglas Alan P.
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