Corded hearing protective device and method of manufacturing the same

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United States of America Patent

PATENT NO 9155661
APP PUB NO 20140196727A1
SERIAL NO

14215121

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Abstract

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A hearing protective device is provided including a first sound attenuating element, a second sound attenuating element, a flexible elongated member connecting the first sound attenuating element and the second sound attenuating element, and a knot formed in the flexible elongated member, the knot is untied by moving the first sound attenuating element in a direction away from second sound attenuating element.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 ST PAUL 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barwacz, Robert Franciszek Krakow, PL 2 31

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