Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1997-10-24
1999-10-19
Tung, M. H.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
1402
Patent
active
D04154797
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patent: D378085 (1997-02-01), Kerklaan et al.
Chiang Shu-Fen
Yang Ralph
DB Networks Inc.
Tung M. H.
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