Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1986-04-25
1989-09-05
Lucas, Susan J.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D18 1
Patent
active
D03032493
REFERENCES:
patent: D276914 (1984-12-01), Moriconi
patent: D281605 (1985-12-01), Bertone
patent: D291810 (1987-09-01), Bratasevec
patent: D293911 (1988-01-01), Lynar et al.
patent: 2167150 (1939-07-01), Haberfeld
ISKRA-DELTA-proizvodnja racunalniskih sistemov in inzeniring, p.
Lucas Susan J.
Nunn Freda S.
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