Steven P. James

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Salem, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano muffler system and method of installation
- Patent number 8,247,672
- Issue date Aug 21, 2012
- Steven James
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Piano muffler system and method of installation
- Publication number 20100251872
- Publication date Oct 7, 2010
- Steven P. James
- G10 - MUSICAL INSTRUMENTS ACOUSTICS