Bradley A. Harrison

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Harmonica
- Patent number 7,847,172
- Issue date Dec 7, 2010
- Bradley A. Harrison
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Harmonica
- Publication number 20090308223
- Publication date Dec 17, 2009
- Bradley A. Harrison
- G10 - MUSICAL INSTRUMENTS ACOUSTICS