Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1997-06-10
1999-03-16
Tung, M. H.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
1402
Patent
active
D04068254
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patent: D356788 (1995-03-01), Mizusugi et al.
patent: D368080 (1996-03-01), Aeschbacher et al.
patent: D387043 (1997-12-01), Cheng
patent: D388057 (1997-12-01), Mieki et al.
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