Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1986-05-08
1989-07-25
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D13 32
Patent
active
D03024245
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patent: 3178107 (1965-04-01), Fagan
patent: 3750943 (1973-08-01), Darling et al.
patent: 3947669 (1976-03-01), Simmons et al.
patent: 4377870 (1983-03-01), Anderson et al.
patent: 4641240 (1987-02-01), Boram
Freitas Everton A.
Solon Mel
Lucas Susan J.
Nunn Freda S.
Solon Mel
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