Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1991-11-04
1993-10-05
Burke, Wallace R.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Patent
active
D03400360
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patent: D323489 (1992-01-01), Harris, Jr. et al.
patent: 4523297 (1985-06-01), Ugon et al.
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patent: 4705211 (1987-11-01), Honda et al.
patent: 4812632 (1989-03-01), Kakinuma et al.
patent: 4968873 (1990-11-01), Dethloff et al.
Connors John K.
Curry Richard W.
Joffe Richard M.
McGarvey John N.
Stowers David C.
AT&T Bell Laboratories
Burke Wallace R.
Morra Michael A.
Nunn Freda S.
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