Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 26, 2008
Patent Application Number
11306145
Date Filed
December 16, 2005
Patent Primary Examiner
Patent abstract
A brass instrument with improved tonal characteristics that includes a tonal material attached to the brass instrument. The instrument may be a trumpet. The tonal material may have a Mohs hardness of greater than about 6, such as a semi-precious stone. Also disclosed is a method of improving tonal characteristics of a brass instrument by attaching a tonal material to the brass instrument.
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