Michael E. Spencer

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Escondido, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Modulator processing for a parametric speaker system
- Patent number 7,729,498
- Issue date Jun 1, 2010
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic carrier system for parametric arrays
- Patent number 7,224,808
- Issue date May 29, 2007
- American Technology Corporation
- Michael E. Spencer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Modulator-amplifier
- Patent number 7,224,219
- Issue date May 29, 2007
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator processing for a parametric speaker system
- Patent number 7,162,042
- Issue date Jan 9, 2007
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator—amplifier
- Patent number 7,109,789
- Issue date Sep 19, 2006
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator processing for a parametric speaker system
- Patent number 6,584,205
- Issue date Jun 24, 2003
- American Technology Corporation
- James J. Croft
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Modulator processing for a parametric speaker system
- Publication number 20080063214
- Publication date Mar 13, 2008
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Modulator-amplifier
- Publication number 20070015473
- Publication date Jan 18, 2007
- AMERICAN TECHNOLOGY CORPORATION
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Modulator - amplifier
- Publication number 20050152561
- Publication date Jul 14, 2005
- Michael E Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Modulator processing for a parametric speaker system
- Publication number 20030185405
- Publication date Oct 2, 2003
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic carrier system for parametric arrays
- Publication number 20030091196
- Publication date May 15, 2003
- American Technology Corporation
- Michael E. Spencer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dynamic carrier system for parametric arrays
- Publication number 20030091203
- Publication date May 15, 2003
- American Technology Corporation
- James J. Croft
- H04 - ELECTRIC COMMUNICATION TECHNIQUE