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LARRY FRERICHS

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  • RALEIGH, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker system
    • Patent number 8,948,436
    • Issue date Feb 3, 2015
    • RGB Systems, Inc.
    • William Cameron Stewart
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for a loudspeaker assembly
    • Patent number 8,893,849
    • Issue date Nov 25, 2014
    • RGB Systems, Inc.
    • Michael Hudson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker system
    • Patent number 8,837,767
    • Issue date Sep 16, 2014
    • RGB Systems, Inc.
    • William C Stewart
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceiling loudspeaker support system
    • Patent number 8,672,087
    • Issue date Mar 18, 2014
    • RGB Systems, Inc.
    • William C. Stewart
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceiling loudspeaker system
    • Patent number 8,631,897
    • Issue date Jan 21, 2014
    • RGB Systems, Inc.
    • William Cameron Stewart
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for a loudspeaker assembly
    • Patent number 8,439,153
    • Issue date May 14, 2013
    • RGB Systems, Inc.
    • Michael Hudson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceiling loudspeaker system
    • Patent number 8,403,107
    • Issue date Mar 26, 2013
    • RGB Systems, Inc.
    • William Cameron Stewart
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ceiling loudspeaker system
    • Patent number 8,286,749
    • Issue date Oct 16, 2012
    • RGB Systems, Inc.
    • William Cameron Stewart, Jr.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method and apparatus for a loudspeaker assembly
    • Patent number 8,276,706
    • Issue date Oct 2, 2012
    • RGB Systems, Inc.
    • Michael Hudson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker housing
    • Patent number D655691
    • Issue date Mar 13, 2012
    • RGB Systems, Inc.
    • William Cameron Stewart, Jr.
    • D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

  • Information Patent Application

    Ceiling loudspeaker support system
    • Publication number 20140301586
    • Publication date Oct 9, 2014
    • RGB SYSTEMS, INC.
    • WILLIAM C. STEWART
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CEILING LOUDSPEAKER SYSTEM
    • Publication number 20140286518
    • Publication date Sep 25, 2014
    • RGB SYSTEMS, INC.
    • WILLIAM C. STEWART
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER SYSTEM
    • Publication number 20140064534
    • Publication date Mar 6, 2014
    • RGB SYSTEMS, INC.
    • WILLIAM C. STEWART
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
    • Publication number 20130264144
    • Publication date Oct 10, 2013
    • Michael HUDSON
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CEILING LOUDSPEAKER SUPPORT SYSTEM
    • Publication number 20130251181
    • Publication date Sep 26, 2013
    • RGB SYSTEMS, INC.
    • WILLIAM C. STEWART
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CEILING LOUDSPEAKER SYSTEM
    • Publication number 20130004013
    • Publication date Jan 3, 2013
    • RGB SYSTEMS, INC.
    • William Cameron Stewart, JR.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    LOUDSPEAKER SYSTEM
    • Publication number 20120300966
    • Publication date Nov 29, 2012
    • WILLIAM CAMERON STEWART, JR.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
    • Publication number 20120294472
    • Publication date Nov 22, 2012
    • RGB SYSTEMS, INC.
    • Michael Hudson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CEILING LOUDSPEAKER SYSTEM
    • Publication number 20120002835
    • Publication date Jan 5, 2012
    • WILLIAM Cameron STEWART, JR.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    CEILING LOUDSPEAKER SYSTEM
    • Publication number 20110311085
    • Publication date Dec 22, 2011
    • WILLIAM Cameron STEWART, JR.
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
    • Publication number 20110194722
    • Publication date Aug 11, 2011
    • Michael Hudson
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE