Headset
United States Patent 2946860
US Patent References:
Head receiver for telephones
- - 1452851

Headband for telephone receivers
- - 1616491

Earphone support
- - 2149341

Attachment for audio receivers
- - 2408720


Inventors:
Jansen, Richard E.
Ulrich, Robert E.
Publication Date:
07/26/1960
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Assignee:
RCA CORP
Primary Class:
181/129
Other Classes:
381/379, 381/374
International Classes:
H04R1/10