US Patent 7913808 Waterproofing loudspeaker cones

Patent 7913808 was granted and assigned to Bose Corporation on March, 2011 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79138080

Patent Inventor Names

Samuel D. Parrish0

Mark P. Temple0

Martin J. Schad0

Robert E. Evans0

Agota F. Fehervari0

Christopher D. Weaver0

Date of Patent

March 29, 2011

Patent Application Number

120564280

Date Filed

March 27, 2008

Patent Primary Examiner

‌

Elvin Enad

Patent abstract

A water-resistant composite paper, suitable for use as a loudspeaker component, is made from a composition including wood pulp, hydrophobic fibers, and stiffening fibers that retain stiffness when wet. In some examples, fibrillated acrylic fibers and glass fibers are used.

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