Headphone

Details Headphone Headphone

1995-02-01

1996-11-05

Morris, Sandra L.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

Patent

active

D03753123

REFERENCES:
patent: D358390 (1995-05-01), Hayashi
patent: 5406037 (1995-04-01), Nageno et al.
patent: 5459290 (1995-10-01), Yamagishi
Stereo review dated Jun. 1989, p. 57 Beyerdynamic IRS 690 Cordless Headphones.

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