John Dahl

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San Rafael, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tone balance volume control
- Patent number 8,509,457
- Issue date Aug 13, 2013
- THX, Ltd.
- Casey Divine
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Dynamic surround channel volume control
- Patent number 8,452,028
- Issue date May 28, 2013
- THX, Ltd.
- John Dahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Dynamic Surround Channel Volume Control
- Publication number 20080159546
- Publication date Jul 3, 2008
- THX, Ltd.
- John Dahl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE