Brant Leonard

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Traverse City, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano string coil lifting and setting apparatus
- Patent number 6,888,056
- Issue date May 3, 2005
- Brant Leonard
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Piano string coil lifting and setting apparatus
- Publication number 20040074374
- Publication date Apr 22, 2004
- Brant Leonard
- G10 - MUSICAL INSTRUMENTS ACOUSTICS