EARFORM MOLD FOR SUPPORTING ACOUSTIC APPARATUS ON A WEARER'S EAR AND METHOD OF MAKING THE MOLD
United States Patent 3513269

Inventors:
Wilson, Donald R.
Publication Date:
05/19/1970
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Assignee:
PACIFIC PLANTRONICS INC
Primary Class:
381/330
Other Classes:
425/182, 264/222, 425/110, 425/2
International Classes:
H04R25/00; H04R25/00
US Patent References:
3375822Surgical cast and method of forming and applying to a body member
3389232HEARING AID AND EAR MOLD ASSEMBLY




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