Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1982-10-06
1985-01-01
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D02770067
REFERENCES:
patent: D222471 (1971-10-01), Shebanow et al.
patent: 3600557 (1971-08-01), Zappia
patent: 3752391 (1973-08-01), Leonard et al.
patent: 4179621 (1979-12-01), Crean et al.
Matsuzawa Hideshi
Sato Shosuke
Takahashi Mutsumi
Lucas Susan J.
Tokyo Keiki Company Limited
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