Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1982-12-30
1985-05-07
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D13 12
Patent
active
D02787105
REFERENCES:
patent: D237504 (1975-11-01), Hartwein
patent: D239177 (1976-03-01), Mauceri et al.
patent: 4305114 (1981-12-01), Takagi et al.
Naoi Kiichi
Shimizu Norio
Watanabe Yuichi
Koyo Electronics Industries Co. Ltd.
Lucas Susan J.
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