Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-06-17
1993-12-07
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03420698
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patent: D305232 (1989-12-01), Sutoh
patent: D305652 (1990-01-01), Tejima
patent: D308058 (1990-05-01), Hotsumi et al.
patent: D315558 (1991-03-01), Watanabe et al.
patent: D319052 (1991-08-01), Major
patent: D319438 (1991-08-01), Suckley
patent: D325909 (1992-05-01), Shambley et al.
patent: 4860336 (1989-08-01), D'Avello et al.
Asch Jeffrey
Douglas Alan P.
Kabushiki Kaisha Toshiba
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