Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1990-09-19
1992-04-14
Fay, Jr., Horace B.
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D14144, D14252, 379436
Patent
active
D03253813
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patent: 4332362 (1982-06-01), Leopold
Dennis Derek H.
Jensen Jakob
Fay Jr. Horace B.
Stentofon A.S.
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