Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-09-20
1993-09-07
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03391183
REFERENCES:
patent: D272077 (1984-01-01), Halm
patent: D323354 (1992-01-01), Neva
patent: 2968110 (1961-01-01), Guarnstrom
patent: 3224824 (1965-12-01), Remke
patent: 3664048 (1972-05-01), Karlsson
patent: 4192425 (1980-03-01), Landau et al.
British Airways plc
Burke Wallace R.
Tung M. H.
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