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William A. Coghlan
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Tempe, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Test cell for evaluating phosphor
Patent number
7,238,535
Issue date
Jul 3, 2007
World Properties, Inc.
Karen Ruth Brower
G01 - MEASURING TESTING
Information
Patent Grant
Driving an EL panel without DC bias
Patent number
7,009,346
Issue date
Mar 7, 2006
World Properties, Inc.
Mahyar Vahabzadeh
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
EL lamp with increased phosphor density
Patent number
6,528,943
Issue date
Mar 4, 2003
Durel Corporation
William A. Coghlan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
EL lamp with heater electrode
Patent number
6,433,476
Issue date
Aug 13, 2002
Durel Corporation
Walter J. Pacicrek
G02 - OPTICS
Information
Patent Grant
Controlling color shift in EL phosphors
Patent number
6,111,362
Issue date
Aug 29, 2000
Durel Corporation
William A. Coghlan
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Test cell for evaluating phosphor
Publication number
20060046307
Publication date
Mar 2, 2006
World Properties, Inc.
Karen Ruth Brower
G01 - MEASURING TESTING
Information
Patent Application
Backlight using reversely mounted LEDs
Publication number
20060039129
Publication date
Feb 23, 2006
World Properties, Inc.
William A. Coghlan
B60 - VEHICLES IN GENERAL
Information
Patent Application
Driving an EL panel without DC bias
Publication number
20050258773
Publication date
Nov 24, 2005
World Properties, Inc.
Mahyar Vahabzadeh
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
EL lamp with improved brightness
Publication number
20020190636
Publication date
Dec 19, 2002
Durel Corporation
William A. Coghlan
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
EL lamp for a front lit display
Publication number
20020080597
Publication date
Jun 27, 2002
Durel Corporation
William A. Coghlan
G02 - OPTICS