Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Don E. K. Campbell0
Srinivas Chari0
Date of Patent
February 27, 2007
Patent Application Number
10249554
Date Filed
April 17, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and apparatus for cleaning hearing aid devices are disclosed. Drying is facilitated in hearing instruments through a novel combination of heater and desiccant in an essentially closed system. Greater efficiency is obtained by minimizing the volume of gas, e.g., air, requiring moisture extraction.
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