Eric Louis

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North Chelmsford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing protection system
- Patent number 9,071,894
- Issue date Jun 30, 2015
- Vivonics, Inc.
- Anna M Galea
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
HEARING PROTECTION SYSTEM
- Publication number 20140029756
- Publication date Jan 30, 2014
- Vivonics,Inc.
- Anna M Galea
- G10 - MUSICAL INSTRUMENTS ACOUSTICS