Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent
1997-10-10
1999-01-12
Asch, Jeffrey
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
D11157, D21509, 1403
Patent
active
D04040309
REFERENCES:
patent: D177460 (1956-04-01), Di Stasi
patent: D261648 (1981-11-01), Thomas
patent: D261763 (1981-11-01), Thomas
patent: D312670 (1990-12-01), Matsumoto et al.
patent: D331951 (1992-12-01), Killingsworth
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