Bernard E. H. Laluvein

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Middlesex, GB

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Patents Grantslast 30 patents

Information Patent Grant
Self-adjusting and self-modifying addressable speaker
- Patent number 8,023,661
- Issue date Sep 20, 2011
- SimplexGrinnell LP
- Jeffrey R. Brooks
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Self-Adjusting and Self-Modifying Addressable Speaker
- Publication number 20080219458
- Publication date Sep 11, 2008
- Jeffrey R. Brooks
- H03 - BASIC ELECTRONIC CIRCUITRY