Earphone

Details Earphone Earphone

1999-09-16

2000-10-03

Bondade, Nanda

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

1401

Patent

active

D04315537

REFERENCES:
patent: D337589 (1993-07-01), Wada
patent: D369349 (1996-04-01), Hayashi
patent: D384958 (1997-10-01), Shudo
patent: D388437 (1997-12-01), Inukai
patent: 4981194 (1991-01-01), Kamon et al.
patent: 5048092 (1991-09-01), Yamagishi et al.
patent: 5544253 (1996-08-01), Nagayoshi et al.
Catalog "91"; Sony; Mar. 1999; p. 252.

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