Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1989-06-12
1991-08-06
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03188582
REFERENCES:
patent: D255125 (1980-05-01), Hazama et al.
patent: D279688 (1985-07-01), Kitai et al.
patent: D309749 (1990-08-01), Ido
patent: D310093 (1990-08-01), Sakaguchi et al.
patent: D312076 (1990-11-01), Miller et al.
patent: 3217154 (1965-11-01), Owen
patent: 4229726 (1980-10-01), Deaton et al.
Daly John J.
Lloyd Graham P.
Burke Wallace R.
Grid Systems Corporation
Nunn Freda S.
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