Joseph P. Szczap

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Key leveler for musical instruments, computerized key leveling syst...
- Patent number 7,893,335
- Issue date Feb 22, 2011
- Joseph P Szczap
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Key leveler for musical instruments, computerized key leveling syst...
- Publication number 20100064879
- Publication date Mar 18, 2010
- Joseph P. Szczap
- G10 - MUSICAL INSTRUMENTS ACOUSTICS