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Patent #:
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Issue Dt:
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11/27/2001
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Application #:
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08950970
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Filing Dt:
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10/15/1997
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Title:
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CIRCUIT FOR PROTECTION AGAINST SLOW CIRCUIT BREAKER CLOSURE DURING SYNCHRONIZATION OF A GENERATOR AND AN ASSOCIATED ELECTRICAL SYSTEM
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Patent #:
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Issue Dt:
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10/05/1999
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Application #:
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09098114
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Filing Dt:
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06/16/1998
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Title:
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RESTRICTED EARTH FAULT PROTECTION FOR TRANSFORMERS USING A DIRECTIONAL ELEMENT
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Patent #:
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Issue Dt:
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10/17/2000
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Application #:
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09106029
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Filing Dt:
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06/29/1998
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Title:
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FAULT INDICATOR HAVING REMOTE LIGHT INDICATION OF FAULT DETECTION
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Patent #:
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Issue Dt:
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10/17/2000
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Application #:
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09106434
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Filing Dt:
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06/29/1998
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Title:
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REMOTE LIGHT INDICATION FAULT INDICATOR WITH A TIMED RESET CIRCUIT AND A MANUAL RESET CIRCUIT
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Patent #:
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Issue Dt:
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08/08/2000
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Application #:
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09150556
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Filing Dt:
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09/10/1998
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Title:
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SYSTEM FOR IMPROVING PROTECTIVE RELAY COORDINATION WITH OTHER PROTECTIVE ELEMENTS IN POWER SYSTEM
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Patent #:
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Issue Dt:
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07/04/2000
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Application #:
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09169370
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Filing Dt:
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10/08/1998
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Title:
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PROTECTIVE RELAY-BASED MONITORING SYSTEM OF DC POWER WITHIN AN ELECTRIC POWER SUBSTATION
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Patent #:
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Issue Dt:
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07/03/2001
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Application #:
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09256632
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Filing Dt:
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02/24/1999
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Title:
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MULTI-ENDED FAULT LOCATION SYSTEM
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Patent #:
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Issue Dt:
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01/22/2002
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Application #:
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09418729
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Filing Dt:
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10/15/1999
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Title:
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RESTRAINT-TYPE DIFFERENTIAL RELAY
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Patent #:
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Issue Dt:
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03/12/2002
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Application #:
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09450808
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Filing Dt:
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11/29/1999
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Title:
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SYSTEM FOR POWER TRANSFORMER DIFFERENTIAL PROTECTION
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Patent #:
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Issue Dt:
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08/06/2002
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Application #:
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09456707
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Filing Dt:
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12/09/1999
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Title:
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FAULT INDICATOR FOR THREE-PHASE SHEATHED CABLE
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Patent #:
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Issue Dt:
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12/02/2003
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Application #:
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09469841
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Filing Dt:
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12/21/1999
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Publication #:
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Pub Dt:
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06/20/2002
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Title:
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SETTING-FREE RESISTIVE TEMPERATURE DEVICE (RTD) MEASURING MODULE
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Patent #:
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Issue Dt:
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06/03/2003
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Application #:
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09563178
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Filing Dt:
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05/02/2000
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Title:
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SENSITIVE GROUND FAULT DETECTION SYSTEM FOR USE IN COMPENSATED ELECTRIC POWER DISTRIBUTION NETWORKS
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Patent #:
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Issue Dt:
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06/25/2002
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Application #:
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09603824
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Filing Dt:
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06/26/2000
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Title:
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SYSTEM FOR PROTECTION ZONE SELECTION IN MIRCROPROCESSOR-BASED RELAYS IN AN ELECTRIC POWER SYSTEM
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Patent #:
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Issue Dt:
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02/25/2003
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Application #:
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09693607
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Filing Dt:
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10/20/2000
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Title:
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FAULT TYPE SELECTION SYSTEM FOR IDENTIFYING FAULTS IN AN ELECTRIC POWER SYSTEM
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Patent #:
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Issue Dt:
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02/11/2003
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Application #:
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09693669
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Filing Dt:
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10/19/2000
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Title:
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LINE DIFFERENTIAL PROTECTION SYSTEM FOR A POWER TRANSMISSION LINE
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Patent #:
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Issue Dt:
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09/06/2005
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Application #:
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09827513
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Filing Dt:
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04/05/2001
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Publication #:
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Pub Dt:
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10/10/2002
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Title:
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SYSTEM AND METHOD FOR ALIGNING DATA BETWEEN LOCAL AND REMOTE SOURCES THEREOF
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Patent #:
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Issue Dt:
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07/09/2002
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Application #:
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09892016
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Filing Dt:
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06/25/2001
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Title:
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DELTA FILTER WITH AN ADAPTIVE TIME WINDOW FOR PROTECTIVE RELAYS
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Patent #:
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Issue Dt:
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06/12/2007
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Application #:
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09895493
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Filing Dt:
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06/29/2001
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Publication #:
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Pub Dt:
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10/10/2002
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Title:
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SYSTEM AND METHOD FOR ALIGNING DATA BETWEEN LOCAL AND REMOTE SOURCES THEREOF
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Patent #:
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Issue Dt:
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07/08/2003
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Application #:
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09895504
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Filing Dt:
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06/29/2001
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Publication #:
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Pub Dt:
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08/01/2002
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Title:
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LINE DIFFERENTIAL PROTECTION SYSTEM FOR A POWER TRANSMISSION LINE
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Patent #:
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Issue Dt:
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05/06/2003
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Application #:
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09899892
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Filing Dt:
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07/06/2001
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Publication #:
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Pub Dt:
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01/16/2003
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Title:
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SYSTEM FOR PREVENTING OVERREACH OF PROTECTION FOR SERIES COMPENSATED POWER LINES
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Patent #:
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Issue Dt:
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08/19/2003
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Application #:
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09899961
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Filing Dt:
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07/06/2001
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Publication #:
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Pub Dt:
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01/09/2003
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Title:
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VOLTAGE AND CURRENT SOURCE SELECTION SYSTEM FOR USE IN THE PROTECTION, AUTOMATION AND CONTROL OF AN ELECTRIC POWER SYSTEM
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Patent #:
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Issue Dt:
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09/20/2005
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Application #:
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09900098
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Filing Dt:
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07/06/2001
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Publication #:
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Pub Dt:
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01/09/2003
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Title:
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RELAY-TO-RELAY DIRECT COMMUNICATION SYSTEM IN AN ELECTRIC POWER SYSTEM
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Patent #:
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Issue Dt:
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08/05/2003
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Application #:
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09900105
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Filing Dt:
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07/06/2001
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Publication #:
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Pub Dt:
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01/16/2003
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Title:
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SYSTEM FOR ESTIMATING THE FREQUENCY OF THE POWER SIGNAL ON A POWER TRANSMISSION LINE
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Patent #:
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Issue Dt:
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10/28/2003
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Application #:
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09900404
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Filing Dt:
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07/06/2001
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Publication #:
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Pub Dt:
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01/16/2003
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Title:
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SYSTEM AND METHOD FOR CALIBRATION OF DATA IN AN ELECTRIC POWER MONITORING SYSTEM
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Patent #:
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Issue Dt:
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04/13/2004
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Application #:
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09999837
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Filing Dt:
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10/24/2001
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Publication #:
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Pub Dt:
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04/24/2003
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Title:
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DIRECTIONAL ELEMENT TO DETERMINE FAULTS ON UNGROUNDED POWER SYSTEMS
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Patent #:
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Issue Dt:
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12/09/2003
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Application #:
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10124858
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Filing Dt:
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04/17/2002
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Publication #:
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Pub Dt:
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10/23/2003
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Title:
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PROTECTIVE RELAY WITH SYNCHRONIZED PHASOR MEASUREMENT CAPABILITY FOR USE IN ELECTRIC POWER SYSTEMS
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Patent #:
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Issue Dt:
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06/01/2004
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Application #:
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10147641
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Filing Dt:
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05/16/2002
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Publication #:
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Pub Dt:
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11/20/2003
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Title:
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SYSTEM FOR SAMPLING A SIGNAL IN AN ELECTRONIC INSTRUMENT USING A UNIPOLAR A/D CONVERTER
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Patent #:
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Issue Dt:
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08/10/2004
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Application #:
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10150577
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Filing Dt:
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05/17/2002
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Publication #:
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Pub Dt:
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11/20/2003
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Title:
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FRONT PANEL LIGHT SYSTEM FOR AN ELECTRONIC INSTRUMENT WHICH INDICATES THE OPERATING CONDITION OF THE FRONT PANEL LIGHTS AND SELECTED PORTIONS OF THE INSTRUMENT
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Patent #:
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Issue Dt:
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06/29/2004
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Application #:
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10160428
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Filing Dt:
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05/31/2002
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Publication #:
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Pub Dt:
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12/04/2003
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Title:
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INSTANTANEOUS OVERCURRENT ELEMENT FOR HEAVILY SATURATED CURRENT IN A POWER SYSTEM
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Patent #:
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Issue Dt:
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12/28/2004
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Application #:
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10213015
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Filing Dt:
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08/05/2002
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Publication #:
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Pub Dt:
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08/05/2004
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Title:
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PROTECTIVE RELAY SYSTEM HAVING SETTINGS PROVIDED THEREIN FOR ALL PROTECTIVE RELAY LOCATIONS IN A POWER SYSTEM
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Patent #:
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Issue Dt:
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08/31/2004
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Application #:
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10213037
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Filing Dt:
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08/05/2002
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Publication #:
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Pub Dt:
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02/05/2004
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Title:
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GROUND FAULT DETECTION SYSTEM FOR UNGROUNDED POWER SYSTEMS
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Patent #:
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Issue Dt:
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10/18/2005
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Application #:
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10246970
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Filing Dt:
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09/18/2002
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Publication #:
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Pub Dt:
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03/18/2004
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Title:
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CURRENT CONTROLLED CONTACT ARC SUPPRESSOR
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Patent #:
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Issue Dt:
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05/30/2006
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Application #:
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10280141
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Filing Dt:
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10/25/2002
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Title:
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MICROPROCESSOR CONTROLLED FAULT INDICATOR HAVING HIGH VISIBILITY LED FAULT INDICATION
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Patent #:
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Issue Dt:
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01/04/2005
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Application #:
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10280206
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Filing Dt:
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10/25/2002
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Publication #:
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Pub Dt:
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04/29/2004
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Title:
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BUS TOTAL OVERCURRENT SYSTEM FOR A PROTECTIVE RELAY
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Patent #:
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Issue Dt:
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05/11/2004
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Application #:
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10280219
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Filing Dt:
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10/25/2002
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Title:
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MICROPROCESSOR CONTROLLED FAULT INDICATOR HAVING LED FAULT INDICATION CIRCUIT WITH BATTERY CONSERVATION MODE
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Patent #:
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Issue Dt:
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11/23/2004
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Application #:
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10280328
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Filing Dt:
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10/25/2002
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Title:
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MICROPROCESSOR CONTROLLED FAULT DETECTOR WITH CIRCUIT OVERLOAD CONDITION DETECTION
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Patent #:
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Issue Dt:
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01/01/2008
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Application #:
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10280329
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Filing Dt:
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10/25/2002
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Title:
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MICROPROCESSOR CONTROLLED FAULT INDICATOR HAVING INRUSH RESTRAINT CIRCUIT
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Patent #:
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Issue Dt:
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07/19/2005
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Application #:
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10334367
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Filing Dt:
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12/30/2002
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Publication #:
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Pub Dt:
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07/01/2004
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Title:
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DIGITAL PROTECTIVE RELAY FOR POWER SYSTEMS WITH OPERATOR-INITIATED RECORD KEEPING CAPABILITY
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Patent #:
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Issue Dt:
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04/25/2006
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Application #:
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10391373
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Filing Dt:
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03/17/2003
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Publication #:
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Pub Dt:
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09/23/2004
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Title:
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COMMUNICATIONS DEVICE POWERED FROM HOST APPARATUS
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Patent #:
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Issue Dt:
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08/23/2005
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Application #:
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10393831
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Filing Dt:
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03/21/2003
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Publication #:
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Pub Dt:
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09/23/2004
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Title:
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SYSTEM AND METHOD FOR EXACT COMPENSATION OF FUNDAMENTAL PHASORS
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Patent #:
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Issue Dt:
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10/17/2006
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Application #:
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10409355
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Filing Dt:
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04/07/2003
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Publication #:
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Pub Dt:
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10/07/2004
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Title:
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PROTECTIVE RELAY CAPABLE OF PROTECTION APPLICATIONS WITHOUT PROTECTION SETTINGS
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Patent #:
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Issue Dt:
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11/08/2005
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Application #:
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10449143
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Filing Dt:
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05/30/2003
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Title:
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TARGETED TIMED RESET FAULT INDICATOR
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Patent #:
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Issue Dt:
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09/27/2005
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Application #:
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10454847
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Filing Dt:
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06/04/2003
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Title:
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AUTO-CALIBRATION OF MULTIPLE TRIP SETTINGS IN A FAULT INDICATOR
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Patent #:
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Issue Dt:
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04/04/2006
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Application #:
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10454850
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Filing Dt:
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06/04/2003
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Title:
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FAULT INDICATOR WITH PERMANENT AND TEMPORARY FAULT INDICATION
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Patent #:
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Issue Dt:
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05/17/2005
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Application #:
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10454851
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Filing Dt:
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06/04/2003
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Title:
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FAULT INDICATOR WITH AUTOMATICALLY CONFIGURED TRIP SETTINGS
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Patent #:
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Issue Dt:
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01/09/2007
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Application #:
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10607804
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Filing Dt:
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06/26/2003
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Publication #:
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Pub Dt:
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12/30/2004
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Title:
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ROTOR THERMAL MODEL FOR USE IN MOTOR PROTECTION
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Patent #:
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Issue Dt:
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10/17/2006
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Application #:
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10607908
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Filing Dt:
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06/27/2003
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Publication #:
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Pub Dt:
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12/30/2004
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Title:
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SYSTEM FOR TRANSITIONING TO THE TRIP THRESHOLD FOR THE START CONDITION THERMAL MODEL FOR A MOTOR PROTECTION RELAY
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Patent #:
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Issue Dt:
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12/21/2004
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Application #:
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10632382
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Filing Dt:
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08/01/2003
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Title:
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PROTECTIVE RELAY FOR POWER SYSTEMS HAVING DEPENDABLE OUT-OF-STEP BLOCKING CAPABILITY
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Patent #:
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Issue Dt:
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04/11/2006
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Application #:
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10643379
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Filing Dt:
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08/19/2003
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Publication #:
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Pub Dt:
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02/24/2005
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Title:
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INTEGRATED PROTECTION AND CONTROL SYSTEM FOR A POWER SYSTEM SUBSTATION
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Patent #:
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Issue Dt:
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03/22/2005
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Application #:
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10645015
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Filing Dt:
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08/21/2003
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Publication #:
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Pub Dt:
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02/24/2005
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Title:
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ELECTRICAL CONNECTION GROUNDING ELEMENT FOR USE WITH A PRINTED CIRCUIT BOARD AND AN ELECTRONIC EQUIPMENT CHASSIS
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09/18/2007
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10645418
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08/20/2003
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Pub Dt:
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02/24/2005
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Title:
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SYSTEM FOR SYNCHRONOUS SAMPLING AND TIME-OF-DAY CLOCKING USING AN ENCODED TIME SIGNAL
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Issue Dt:
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07/03/2007
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10650605
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08/28/2003
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Pub Dt:
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03/03/2005
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Title:
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DISTANCE PROTECTIVE RELAY USING A PROGRAMMABLE THERMAL MODEL FOR THERMAL PROTECTION
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Issue Dt:
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06/28/2005
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10658858
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09/09/2003
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Publication #:
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Pub Dt:
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03/10/2005
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Title:
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RESISTIVE TEMPERATURE DEVICE (RTD) MODULE WITH IMPROVED NOISE IMMUNITY
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Patent #:
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Issue Dt:
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03/18/2008
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Application #:
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10695978
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Filing Dt:
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10/29/2003
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Publication #:
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Pub Dt:
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05/05/2005
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Title:
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PROTECTIVE RELAY FOR POWER SYSTEMS HAVING FAULT DISTANCE MEASUREMENT FILTER LOGIC
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Patent #:
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Issue Dt:
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01/18/2005
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Application #:
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10729135
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Filing Dt:
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12/05/2003
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Publication #:
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Pub Dt:
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05/13/2004
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Title:
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PROTECTIVE RELAY WITH SYNCHRONIZED PHASOR MEASUREMENT CAPABILITY FOR USE IN ELECTRIC POWER SYSTEMS
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Patent #:
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Issue Dt:
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09/16/2008
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Application #:
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10780373
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Filing Dt:
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02/17/2004
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Publication #:
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Pub Dt:
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08/18/2005
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Title:
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SYSTEM AND METHOD FOR CUSTOMIZING DESIGN OF SETTINGS MANAGEMENT USER INTERFACE SYSTEMS USED TO CONFIGURE SETTINGS FOR INTELLIGENT ELECTRONIC DEVICES
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Patent #:
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Issue Dt:
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06/12/2007
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Application #:
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10872628
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Filing Dt:
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06/21/2004
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Publication #:
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Pub Dt:
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12/22/2005
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Title:
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SYSTEM FOR CHECKING SYNCHRONIZATION OF AC VOLTAGE SOURCES BEFORE CLOSING A POWER CIRCUIT BREAKER
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Patent #:
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Issue Dt:
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09/01/2009
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Application #:
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10961425
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Filing Dt:
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10/08/2004
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Publication #:
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Pub Dt:
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04/13/2006
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Title:
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COMPENSATED INVERSE-TIME UNDERVOLTAGE LOAD SHEDDING SYSTEMS
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Patent #:
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Issue Dt:
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10/31/2006
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