Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-12-26
1993-09-14
Douglas, Alan P.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14130
Patent
active
D03393429
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patent: 3521008 (1970-07-01), Tyson
Design, Aug. 1988, Delta Memera 2000.
Asch Jeffrey
Douglas Alan P.
IDT International Limited
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