Self-conforming sound attenuation earplug

Details Self-conforming sound attenuation earplug Self-conforming sound attenuation earplug

2011-07-26

2011-07-26

Bianco, Patricia M (Department: 3772)

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

C181S135000, C381S328000

Reexamination Certificate

active

07984716

ABSTRACT:
A self-conforming sound attenuation earplug, including: a stem, at least one support joined with the stem and extending radially outward from the stem, and a shell engaging the support and encircling the stem to form a space between the shell and the stem. At least one of the support material and the shell material is a deformable-resilient material.

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