Rolf Berschneider

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Los Angeles, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Harmonica horn
- Patent number 7,381,875
- Issue date Jun 3, 2008
- Rolf Berschneider
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Harmonica horn
- Publication number 20060225557
- Publication date Oct 12, 2006
- Rolf Berschneider
- G10 - MUSICAL INSTRUMENTS ACOUSTICS