Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David M. Chenal0
Date of Patent
November 23, 2021
Patent Application Number
17195584
Date Filed
March 8, 2021
Patent Citations Received
Patent Primary Examiner
Patent abstract
A sound attenuation system can include a first end that can include a shaft and a flange, the flange can be coupled to the shaft, and a second end that can include a filter stem and a cap. The filter stem can have a hole. The cap can have a first position in which the cap occludes the hole and can have a second position in which the cap is clear of the hole.
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