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US Patent 8439161 Acoustically tunable sound absorption articles

Patent 8439161 was granted and assigned to Precision Fabrics Group on May, 2013 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Precision Fabrics Group

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8439161

Date of Patent

May 14, 2013

Patent Application Number

12814022

Date Filed

June 11, 2010

Patent Citations Received

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US Patent 11773592 Carpet waste composite

Patent Primary Examiner

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Edgardo San Martin

Patent abstract

The present invention provides a tunable sound absorption facing which includes a cellulosic web and a nonwoven web entangled together. The facing has a controllable air flow resistance.

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