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Robert Allen Kimball
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Gilbert, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display with split electrode
Patent number
7,876,399
Issue date
Jan 25, 2011
Rogers Corporation
Mark A. Seelhammer
G02 - OPTICS
Information
Patent Grant
AC switch with zero off current for EL panel
Patent number
7,843,140
Issue date
Nov 30, 2010
Rogers Corporation
Christopher Eric Papke
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Single output EL driver producing reduced current spikes
Patent number
7,190,600
Issue date
Mar 13, 2007
World Properties, Inc.
Kenneth Vi Ung
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
Inverter for driving EL lamp and liquid crystal display
Patent number
6,597,123
Issue date
Jul 22, 2003
Durel Corporation
Brian Jeffrey Buell
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Inverter for driving EL lamp and light emitting diodes
Patent number
6,580,222
Issue date
Jun 17, 2003
Durel Corporation
Brian Jeffrey Buell
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
EL driver for small semiconductor die
Patent number
6,462,485
Issue date
Oct 8, 2002
Durel Corporation
Robert Allen Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Personal electronic device having EL lamp and buzzer powered from a...
Patent number
6,407,507
Issue date
Jun 18, 2002
Durel Corporation
Robert Allen Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Enhanced inverter for powering an EL lamp
Patent number
6,204,609
Issue date
Mar 20, 2001
Durel Corporation
Robert A. Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low cost inverter for EL lamp
Patent number
5,502,357
Issue date
Mar 26, 1996
Durel Corporation
Robert A. Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Open loop brightness control for EL lamp
Patent number
5,493,183
Issue date
Feb 20, 1996
Durel Corporation
Robert A. Kimball
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Split chip inverter for EL lamp
Patent number
5,483,503
Issue date
Jan 9, 1996
Durel Corporation
Robert A. Kimball
G04 - HOROLOGY
Information
Patent Grant
Power supply having dual inverters for electroluminescent lamps
Patent number
5,349,269
Issue date
Sep 20, 1994
Durel Corporation
Robert A. Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low cost AC switch for electroluminescent lamps
Patent number
5,347,198
Issue date
Sep 13, 1994
Durel Corporation
Robert A. Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Three terminal inverter for electroluminescent lamps
Patent number
5,313,141
Issue date
May 17, 1994
Durel Corporation
Robert A. Kimball
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Liquid crystal display with split electrode
Publication number
20100045180
Publication date
Feb 25, 2010
World Properties, Inc.
Mark A. Seelhammer
G02 - OPTICS
Information
Patent Application
Driver for MEMS device
Publication number
20090309521
Publication date
Dec 17, 2009
World Properties, Inc.
Harold Gee Yee
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
Luminous touch sensor
Publication number
20080266272
Publication date
Oct 30, 2008
World Properties, Inc.
Sujatha Narayan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AC switch with zero off current for EL panel
Publication number
20070097039
Publication date
May 3, 2007
World Properties, Inc.
Christopher Eric Papke
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
INVERTER FOR DRIVING EL LAMP AND LIQUID CRYSTAL DISPLAY
Publication number
20030132715
Publication date
Jul 17, 2003
Durel Corporation
Brian Jeffrey Buell
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
EL DRIVER FOR SMALL SEMICONDUCTOR DIE
Publication number
20020135318
Publication date
Sep 26, 2002
Durel Corporation
Robert Allen Kimball
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Inverter for driving EL lamp and light emitting diodes
Publication number
20020113558
Publication date
Aug 22, 2002
Durel Corporation
Brian Jeffrey Buell
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...