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Carol Lenk
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Redwood City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
End-of-life bulb circuitry
Patent number
9,107,273
Issue date
Aug 11, 2015
Switch Bulb Company, Inc.
Ronald J. Lenk
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Diffuser for LED light sources
Patent number
8,981,405
Issue date
Mar 17, 2015
Switch Bulb Company, Inc.
Carol Lenk
F21 - LIGHTING
Information
Patent Grant
Heat removal design for LED bulbs
Patent number
8,853,921
Issue date
Oct 7, 2014
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Grant
Plastic LED bulb
Patent number
8,702,257
Issue date
Apr 22, 2014
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Grant
Method of light dispersion and preferential scattering of certain w...
Patent number
8,704,442
Issue date
Apr 22, 2014
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Grant
Method of light dispersion and preferential scattering of certain w...
Patent number
8,569,949
Issue date
Oct 29, 2013
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Grant
Heat removal design for LED bulbs
Patent number
8,547,002
Issue date
Oct 1, 2013
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Grant
Diffuser for LED light sources
Patent number
8,415,695
Issue date
Apr 9, 2013
Switch Bulb Company, Inc.
Carol Lenk
F21 - LIGHTING
Information
Patent Grant
Method of light dispersion and preferential scattering of certain w...
Patent number
8,193,702
Issue date
Jun 5, 2012
Switch Bulb Company, Inc.
Ronald J. Lenk
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
PLASTIC LED BULB
Publication number
20140218930
Publication date
Aug 7, 2014
Switch Bulb Company, Inc.
Ronald J. LENK
F21 - LIGHTING
Information
Patent Application
METHOD OF LIGHT DISPERSION AND PREFERENTIAL SCATTERING OF CERTAIN W...
Publication number
20140184058
Publication date
Jul 3, 2014
Switch Bulb Company, Inc.
Ronald J. LENK
F21 - LIGHTING
Information
Patent Application
HEAT REMOVAL DESIGN FOR LED BULBS
Publication number
20140167592
Publication date
Jun 19, 2014
Switch Bulb Company, Inc.
Ronald J. LENK
F21 - LIGHTING
Information
Patent Application
METHOD OF LIGHT DISPERSION AND PREFERENTIAL SCATTERING OF CERTAIN W...
Publication number
20140028182
Publication date
Jan 30, 2014
Switch Bulb Company, Inc.
Ronald J. LENK
F21 - LIGHTING
Information
Patent Application
DIFFUSER FOR LED LIGHT SOURCES
Publication number
20130214313
Publication date
Aug 22, 2013
Switch Bulb Company, Inc.
Carol LENK
G02 - OPTICS
Information
Patent Application
METHOD OF LIGHT DISPERSION AND PREFERENTIAL SCATTERING OF CERTAIN W...
Publication number
20120229018
Publication date
Sep 13, 2012
Switch Bulb Company, Inc.
Ronald J. LENK
F21 - LIGHTING
Information
Patent Application
END-OF LIFE CIRCUITRY
Publication number
20110210669
Publication date
Sep 1, 2011
Switch Bulb Company, Inc.
Ronald J. Lenk
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
DIFFUSER FOR LED LIGHT SOURCES
Publication number
20110042700
Publication date
Feb 24, 2011
SUPERBULBS, INC.
Carol Lenk
G02 - OPTICS
Information
Patent Application
APPARATUS FOR COOLING LEDS IN A BULB
Publication number
20100219734
Publication date
Sep 2, 2010
SUPERBULBS, INC.
Carol Lenk
F21 - LIGHTING
Information
Patent Application
HEAT REMOVAL DESIGN FOR LED BULBS
Publication number
20090309473
Publication date
Dec 17, 2009
SUPERBULBS, INC.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Application
PLASTIC LED BULB
Publication number
20090257220
Publication date
Oct 15, 2009
SUPERBULBS, INC.
Ronald J. Lenk
F21 - LIGHTING
Information
Patent Application
Method of Light Dispersion and Preferential Scattering of Certain W...
Publication number
20090200939
Publication date
Aug 13, 2009
SUPERBULBS, INC.
Ronald J. Lenk
F21 - LIGHTING