Matthew Freshman

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Los Altos Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Amplifying cover for a portable audio device
- Patent number 9,232,030
- Issue date Jan 5, 2016
- Matthew Freshman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
AMPLIFYING COVER FOR A PORTABLE AUDIO DEVICE
- Publication number 20140069736
- Publication date Mar 13, 2014
- Matthew Freshman
- G10 - MUSICAL INSTRUMENTS ACOUSTICS