Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 27, 2010
Patent Application Number
11382384
Date Filed
May 9, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fan noise control apparatus is provided to facilitate the reduction of noise. According to the preferred embodiments, an acoustically transparent portion is provided to permit noise from one source to pass through to interact and cancel with another noise.
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