C. Geoffrey E. Fernald

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La Canada, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ear auxiliary microphone for behind the ear hearing prosthetic
- Patent number 6,775,389
- Issue date Aug 10, 2004
- Advanced Bionics Corporation
- William Vanbrooks Harrison
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
In the ear auxiliary microphone for behind the ear hearing prosthetic
- Publication number 20030031336
- Publication date Feb 13, 2003
- William V. Harrison
- H04 - ELECTRIC COMMUNICATION TECHNIQUE