George O'Quinn Hirvela

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Carrollton, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic coupling enhanced speaker assembly
- Patent number 8,340,336
- Issue date Dec 25, 2012
- AT&T Mobility II LLC
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for enhancing the inductive coupling between a he...
- Patent number 8,300,865
- Issue date Oct 30, 2012
- AT&T Mobility II LLC
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatically configuring hearing assistive device
- Patent number 8,094,848
- Issue date Jan 10, 2012
- AT&T Mobility II LLC
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active cancellation hearing assistance device
- Patent number 7,787,648
- Issue date Aug 31, 2010
- AT&T Mobility II LLC
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for enhancing the inductive coupling between a he...
- Patent number 7,783,067
- Issue date Aug 24, 2010
- AT&T Mobility II LLC
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
System and Method for Enhancing the Inductive Coupling Between a He...
- Publication number 20100303268
- Publication date Dec 2, 2010
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Active Cancellation Hearing Assistance Device
- Publication number 20100220867
- Publication date Sep 2, 2010
- Melvin Duane Frerking
- H04 - ELECTRIC COMMUNICATION TECHNIQUE