Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent
1992-01-21
1995-01-03
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Element or attachment
Patent
active
D03540618
REFERENCES:
patent: D210378 (1968-03-01), Perkins
patent: D295409 (1988-04-01), Drew et al.
patent: D295624 (1988-05-01), Lopez Garcia
patent: D299649 (1989-01-01), Hughes et al.
Asch Jeffrey
British Telecommunications PLC
Douglas Alan P.
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