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Christan Griego
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Elkhorn, WI, US
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last 30 patents
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Patent Grant
Brass musical instruments with modifiable tonality
Patent number
8,247,675
Issue date
Aug 21, 2012
Getzen Company
Christan Griego
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
Brass Musical Instruments with Modifiable Tonality
Publication number
20100147134
Publication date
Jun 17, 2010
GETZEN COMPANY
Christan Griego
G10 - MUSICAL INSTRUMENTS ACOUSTICS