Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-04-12
1990-05-15
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 7
Patent
active
D03078884
REFERENCES:
patent: D254613 (1980-04-01), Ault
patent: D262140 (1981-12-01), Yamagami et al.
patent: D273593 (1984-04-01), Sakamoto
patent: D280406 (1985-09-01), Walker
patent: D289049 (1987-03-01), Marchese
patent: D292404 (1987-10-01), Wilson et al.
patent: D298622 (1988-11-01), Yubisui et al.
patent: 4571702 (1986-02-01), De Arras
Lucas Susan J.
Nunn Freda S.
Sharp Corporation
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