Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate
2006-02-03
2009-10-13
Donels, Jeffrey (Department: 2837)
Acoustics
Anatomic or prosthetic relation
Ear and mouth
C181S135000, C128S864000
Reexamination Certificate
active
07600604
ABSTRACT:
A user-disposable member for placement and retention within the auditory anatomy, such as an ear canal. The user-disposable member includes a polymeric foam material, wherein the user-disposable member has a first portion having a peripheral outer surface having a first coefficient of friction, and a second portion having a peripheral outer surface having a second coefficient of friction different from the first coefficient of friction.
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Babcock Martin P.
Kolpe Vasant V.
Oliveira Robert J.
Parish William
Venem Michael T.
Crompton Seager & Tufte, LLC.
Donels Jeffrey
Hearing Components, Inc.
Russell Christina
LandOfFree
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