William A. Coghlan

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Tempe, AZ, US

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Patents Grantslast 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 Applicationslast 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