Combined headphone and radio

Details Combined headphone and radio Combined headphone and radio

1977-12-21

1980-06-24

Stearman, Joel

Recording, communication, or information retrieval equipment

Computer, data processor equipment

D14 68, D1403

Patent

active

D02555697

REFERENCES:
patent: D237508 (1975-11-01), Lung
patent: D238184 (1975-12-01), Ohtomo
patent: 3796840 (1974-03-01), Ohta
Radio Shack Cat. #289, p. 56, "Nova-Pro" Realistic Headphones, Item #33-1014, (Electronics Cats. Boxes).
Radio Shack Cat. #289, p. 57, Realistic "Nova-14" Headphones, Item #33-1013.

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