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ACOUSTICAL ABSORBER HAVING A BODY AND AT LEAST ONE SERRATED WASHER

  • US 20180022298A1
  • Filed: 07/22/2016
  • Published: 01/25/2018
  • Est. Priority Date: 07/22/2016
  • Status: Active Grant
First Claim
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1. An acoustical absorber, comprising:

  • a body made from a sound insulating material; and

    a first serrated washer fixed directly to said body.

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