Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1988-09-26
1989-11-21
Fay, Jr., Horace B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14142, D14245, D14252, 379434
Patent
active
D03047261
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Brooks Richard R.
Schaffeld John H.
American Telephone and Telegraph Company
AT&T Bell Laboratories
Fay Jr. Horace B.
Morra Michael A.
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