Dean Johnson

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Solana Beach, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing aid microphone protective barrier
- Patent number 8,494,200
- Issue date Jul 23, 2013
- InSound Medical, Inc.
- Sunder Ram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid microphone protective barrier
- Patent number 7,876,919
- Issue date Jan 25, 2011
- InSound Medical, Inc.
- Sunder Ram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Perforated cap for a hearing aid
- Patent number 7,551,747
- Issue date Jun 23, 2009
- InSound Medical, Inc.
- Timothy Cuongdung Huynh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEARING AID MICROPHONE PROTECTIVE BARRIER
- Publication number 20110085688
- Publication date Apr 14, 2011
- InSound Medical, Inc.
- Sunder Ram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEARING AID MICROPHONE PROTECTIVE BARRIER
- Publication number 20070003087
- Publication date Jan 4, 2007
- InSound Medical, Inc.
- Sunder Ram
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Perforated cap for a hearing aid
- Publication number 20060215862
- Publication date Sep 28, 2006
- InSound Medical, Inc.
- Timothy Cuongdung Huynh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE