Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1997-09-04
1999-02-09
Tung, M. H.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
1402
Patent
active
D04054415
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patent: D330022 (1992-10-01), Chen
patent: D345980 (1994-04-01), Scheid et al.
patent: D369156 (1996-04-01), Ohmori et al.
patent: D375941 (1996-11-01), Kerklaan
Kato Yuichi
Koganei Yoshikazu
Saito Asao
Citizen Watch Co. Ltd.
Tung M. H.
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