Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-12-21
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
D03078906
REFERENCES:
patent: D256694 (1980-09-01), Kitai
patent: D265837 (1982-08-01), Yamagami
patent: D269356 (1983-06-01), Yoshioka et al.
patent: D276242 (1984-11-01), Sakamoto
patent: D286544 (1986-11-01), Satake
patent: D290372 (1987-06-01), Yubisui et al.
patent: D292404 (1987-10-01), Wilson et al.
patent: D294369 (1988-02-01), Yubisui et al.
patent: D297429 (1988-08-01), Pedinielli et al.
Lucas Susan J.
Nunn Freda S.
Spectrum Concepts Inc.
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