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Douglas Edgar Fregin
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Waterloo, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Handheld electronic device including multi-compartment shielding co...
Patent number
8,644,033
Issue date
Feb 4, 2014
BlackBerry Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Handheld electronic device including multi-compartment shielding co...
Patent number
8,027,172
Issue date
Sep 27, 2011
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Handheld electronic device including multi-compartment shielding co...
Patent number
7,830,673
Issue date
Nov 9, 2010
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of employing a switch assembly to provide input, and handhel...
Patent number
7,804,488
Issue date
Sep 28, 2010
Research in Motion Limited
Kevin Orr
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Switch assembly and associated handheld electronic device
Patent number
7,772,507
Issue date
Aug 10, 2010
Research in Motion Limited
Kevin Orr
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
Patent number
7,508,644
Issue date
Mar 24, 2009
Research In Motion Limited
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Handheld electronic device including multi-compartment shielding co...
Patent number
7,508,684
Issue date
Mar 24, 2009
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
Patent number
7,369,388
Issue date
May 6, 2008
Research In Motion Limited
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spark gap apparatus and method for electrostatic discharge protection
Patent number
7,161,784
Issue date
Jan 9, 2007
Research In Motion Limited
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Compact design for handheld computing device having LCD display
Patent number
7,027,295
Issue date
Apr 11, 2006
Research In Motion Limited
John Holmes
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
HANDHELD ELECTRONIC DEVICE INCLUDING MULTI-COMPARTMENT SHIELDING CO...
Publication number
20120033398
Publication date
Feb 9, 2012
Research in Motion Limited
Chao CHEN
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HANDHELD ELECTRONIC DEVICE INCLUDING MULTI-COMPARTMENT SHIELDING CO...
Publication number
20110041316
Publication date
Feb 24, 2011
Research In Motion Limited (a corporation organized under the laws of the Pro...
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SPARK GAP APPARATUS AND METHOD FOR ELECTROSTATIC DISCHARGE PROTECTION
Publication number
20090154050
Publication date
Jun 18, 2009
Research in Motion Limited
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HANDHELD ELECTRONIC DEVICE INCLUDING MULTI-COMPARTMENT SHIELDING CO...
Publication number
20090144960
Publication date
Jun 11, 2009
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Switch Assembly and Associated Handheld Electronic Device
Publication number
20080123267
Publication date
May 29, 2008
Kevin Orr
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of Employing a Switch Assembly to Provide Input, and Handhel...
Publication number
20080106525
Publication date
May 8, 2008
Kevin Orr
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HANDHELD ELECTRONIC DEVICE INCLUDING MULTI-COMPARTMENT SHIELDING CO...
Publication number
20080043452
Publication date
Feb 21, 2008
Research in Motion Limited
Chao Chen
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Spark gap apparatus and method for electrostatic discharge protection
Publication number
20070081283
Publication date
Apr 12, 2007
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Spark gap apparatus and method for electrostatic discharge protection
Publication number
20060002047
Publication date
Jan 5, 2006
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Spark gap apparatus and method for electrostatic discharge protection
Publication number
20060002048
Publication date
Jan 5, 2006
Tim O. Cheung
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Compact design for handheld computing device having LCD dispaly
Publication number
20050270729
Publication date
Dec 8, 2005
John Holmes
G06 - COMPUTING CALCULATING COUNTING