Earphone earpiece

Details Earphone earpiece Earphone earpiece

1989-09-12

1991-07-23

Shooman, Theodore M.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D14205

Patent

active

D03184730

REFERENCES:
patent: D278234 (1985-04-01), Saito
patent: D311007 (1990-10-01), Daido
patent: 4646872 (1987-03-01), Kamon et al.
patent: 4736435 (1988-04-01), Yokoyama et al.
patent: 4742887 (1988-05-01), Yamagishi
Hong Kong Enterprise; 11/87; p. 181; bottom center--AM/FM Radio with Headphones.

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