Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent
1985-04-12
1987-07-28
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Computer, data processor equipment
379440
Patent
active
D02910837
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American Telephone & Telegraph Co. AT&T Technologies, Inc.
Burke Wallace R.
Fay Horace B.
Newman Harry L.
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