William Edward RUFFINO

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Agua Dulce, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Retrofit kit and method for tuning and miking resonant side drumhead
- Patent number 8,536,434
- Issue date Sep 17, 2013
- William E. Ruffino
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
KIT AND METHOD FOR TUNING RESONANT SIDE DRUMHEAD FITTED WITH SPEAKE...
- Publication number 20140013927
- Publication date Jan 16, 2014
- William Edward RUFFINO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS