Headphone

Details Headphone Headphone

1998-02-23

1999-01-05

Shooman, Ted

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D14206, 1401

Patent

active

D04036816

REFERENCES:
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patent: D375313 (1996-11-01), Jensen et al.
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patent: 2566313 (1951-09-01), Cates
patent: 3280273 (1966-10-01), Flygstad et al.
patent: 4654883 (1987-03-01), Iwata
patent: 4754484 (1988-06-01), Larkin et al.
patent: 5113428 (1992-05-01), Fitzgerald
patent: 5457751 (1995-10-01), Such
patent: 5613222 (1997-03-01), Guenther
patent: 5673438 (1997-10-01), Lambert

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