Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1992-10-30
1994-07-19
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03488772
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Barnaby J. Feder, "Different Strokes for Computing," New York Times, Aug. 9, 1992.
Burke Wallace R.
Nunn Freda S.
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