Michael L. Petroff

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West Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital signal processing for symmetrical stereophonic imaging in a...
- Patent number 6,876,748
- Issue date Apr 5, 2005
- Harman International Industries, Incorporated
- Michael L. Petroff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compensation system for planar loudspeakers
- Patent number 6,522,758
- Issue date Feb 18, 2003
- Sound Advance Systems, Inc.
- Michael L. Petroff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereophonic image enhancement system for use in automobiles
- Patent number 6,038,323
- Issue date Mar 14, 2000
- Harman Motive Inc.
- Michael L. Petroff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stereo spatial enhancement system
- Patent number 5,970,153
- Issue date Oct 19, 1999
- Harman Motive, Inc.
- Michael L. Petroff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic stereophonic enchancement signal processing system
- Patent number 5,872,851
- Issue date Feb 16, 1999
- Harman Motive Incorporated
- Michael L. Petroff
- H04 - ELECTRIC COMMUNICATION TECHNIQUE