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ANDREW EVANS
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RALEIGH, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,720,640
Issue date
May 13, 2014
RGB Systems, Inc.
William C. Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ceiling speaker assembly
Patent number
8,479,871
Issue date
Jul 9, 2013
RGB Systems, Inc.
William Cameron Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,443,930
Issue date
May 21, 2013
RGB Systems, Inc.
William Cameron Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,353,384
Issue date
Jan 15, 2013
RGB Systems, Inc.
William Cameron Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ceiling speaker assembly
Patent number
8,297,402
Issue date
Oct 30, 2012
RGB Systems, Inc.
William Cameron Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,127,885
Issue date
Mar 6, 2012
RGB Systems, Inc.
William Cameron Stewart, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,109,360
Issue date
Feb 7, 2012
RGB Systems, Inc.
William Cameron Stewart, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
8,091,681
Issue date
Jan 10, 2012
RGB Systems, Inc.
William Cameron Stewart, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
7,866,438
Issue date
Jan 11, 2011
RGB Systems, Inc.
William Cameron Stewart, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for a loudspeaker assembly
Patent number
7,861,825
Issue date
Jan 4, 2011
RGB Systems, Inc.
William Cameron Stewart, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CEILING SPEAKER ASSEMBLY
Publication number
20140020974
Publication date
Jan 23, 2014
RGB SYSTEMS, INC.
WILLIAM CAMERON STEWART
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20130336516
Publication date
Dec 19, 2013
RGB SYSTEMS, INC.
William C. Stewart
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CEILING SPEAKER ASSEMBLY
Publication number
20130015014
Publication date
Jan 17, 2013
RGB SYSTEMS, INC.
WILLIAM CAMERON STEWART
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20120186902
Publication date
Jul 26, 2012
William Cameron Stewart, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for a loudspeaker assembly
Publication number
20120163650
Publication date
Jun 28, 2012
William Cameron Stewart, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CEILING SPEAKER ASSEMBLY
Publication number
20120080260
Publication date
Apr 5, 2012
RGB SYSTEMS, INC.
WILLIAM CAMERON STEWART, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20110061964
Publication date
Mar 17, 2011
RGB SYSTEMS, INC.
WILLIAM CAMERON STEWART, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20110061965
Publication date
Mar 17, 2011
RGB SYSTEMS, INC.
WILLIAM CAMERON STEWART, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20110007921
Publication date
Jan 13, 2011
William Cameron Stewart, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20090321179
Publication date
Dec 31, 2009
William Cameron Stewart, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR A LOUDSPEAKER ASSEMBLY
Publication number
20090324003
Publication date
Dec 31, 2009
William Cameron Stewart, JR.
H04 - ELECTRIC COMMUNICATION TECHNIQUE