Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent
1999-05-27
2000-08-29
Bondade, Nanda
Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Speaker or housing therefor
1401
Patent
active
D04301404
REFERENCES:
patent: D254183 (1980-02-01), Doodson
patent: D286874 (1986-11-01), Bertagna et al.
patent: 4499593 (1985-02-01), Antle
patent: 4546215 (1985-10-01), Ferraro
patent: 5095382 (1992-03-01), Abe
Stereo Review, p. 57, Cordless Headphones, Jun. 1989.
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