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Total properties:
21
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Patent #:
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Issue Dt:
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11/17/1981
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Application #:
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06154503
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Filing Dt:
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05/29/1980
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Title:
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METHOD AND APPARATUS FOR CONTROLLING A RESONANT POWER MODULE
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Patent #:
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Issue Dt:
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10/02/1984
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Application #:
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06344205
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Filing Dt:
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01/29/1982
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Title:
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COMPUTER COMMUNICATIONS CONTROL
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Patent #:
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Issue Dt:
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11/20/1984
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Application #:
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06360195
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Filing Dt:
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03/22/1982
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Title:
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METHOD AND APPARATUS FOR CONTROLLING ACCESS IN A DATA TRANSMISSION SYSTEM
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Patent #:
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Issue Dt:
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06/16/1987
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Application #:
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06702313
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Filing Dt:
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02/15/1985
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Title:
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UNINTERRUPTIBLE POWER SUPPLY WITH ISOLATED BYPASS WINDING
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Patent #:
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Issue Dt:
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05/26/1992
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Application #:
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07434279
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Filing Dt:
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11/13/1989
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Title:
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UPS-COMPUTER SYSTEM AND METHOD FOR INITIALTING COMPUTER SHUTDOWN BASED ON REMAINING BATTERY TIME AS DETERMINED FROM SENDES BATTERY VOLTAGE AND DISCHARGE CURVES
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Patent #:
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Issue Dt:
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12/25/1990
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Application #:
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07434845
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Filing Dt:
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11/09/1989
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Title:
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UNINTERRUPTED POWER SUPPLY SYSTEM HAVING IMPROVED POWER FACTOR CORRECTION CIRCUIT
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Patent #:
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Issue Dt:
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10/15/1991
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Application #:
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07437640
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Filing Dt:
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11/13/1989
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Title:
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SHUNT CIRCUIT FOR REDUCING AUDIBLE NOISE AT LOW LOADING CONDITIONS OF A POWER SUPPLY EMPLOYING A HIGH FREQUENCY RESONANT CONVERTER
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Patent #:
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Issue Dt:
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01/05/1993
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Application #:
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07768363
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Filing Dt:
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09/27/1991
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Title:
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VOLTAGE SOURCE WITH ENHANCED SOURCE IMPEDANCE CONTROL
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Patent #:
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Issue Dt:
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03/21/1995
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Application #:
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07939311
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Filing Dt:
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09/02/1992
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Title:
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GATE-DRIVE CIRCUIT
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Patent #:
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Issue Dt:
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03/01/1994
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Application #:
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07939318
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Filing Dt:
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09/02/1992
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Title:
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SIMPLIFIED UPS SYSTEM
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Patent #:
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Issue Dt:
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10/21/1997
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Application #:
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07939441
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Filing Dt:
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09/02/1992
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Title:
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SERIES/PARALLEL RESONANT CONVERTER
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Patent #:
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Issue Dt:
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07/25/1995
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Application #:
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07950912
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Filing Dt:
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09/24/1992
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Title:
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POWER SUPPLY WITH IMPROVED CIRCUIT FOR HARMONIC PARALLELING
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Patent #:
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Issue Dt:
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12/27/1994
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Application #:
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07977018
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Filing Dt:
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11/16/1992
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Title:
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METHOD AND APPARATUS FOR HARMONIC DISTORTION CORRECTION
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Patent #:
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Issue Dt:
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05/30/2000
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Application #:
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08038469
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Filing Dt:
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03/29/1993
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Title:
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POWER FACTOR CORRECTED UPS WITH IMPROVED CONNECTION OF BATTERY TO NEUTRAL
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Patent #:
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Issue Dt:
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11/21/1995
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Application #:
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08039932
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Filing Dt:
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03/29/1993
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Title:
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ISOLATED GATE DRIVE
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Patent #:
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Issue Dt:
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05/27/1997
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Application #:
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08379344
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Filing Dt:
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01/27/1995
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Title:
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UNINTERRUPTIBLE POWER SUPPLY INPUT POWER WALK-IN
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08669940
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Filing Dt:
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06/25/1996
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Title:
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WIRELESS SELECTIVE TRIPPING OF AC POWER SYSTEMS CONNECTED IN PARALLEL
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Patent #:
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Issue Dt:
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04/28/1998
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Application #:
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08673602
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Filing Dt:
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06/25/1996
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Title:
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INDEPENDENT LOAD SHARING OF AC POWER SYSTEMS CONNECTED IN PARALLEL
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Patent #:
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Issue Dt:
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04/20/1999
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Application #:
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08988335
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Filing Dt:
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11/25/1997
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Title:
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FREQUENCY CONVERTER AND IMPROVED UPS EMPLOYING THE SAME
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Patent #:
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Issue Dt:
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09/19/2000
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Application #:
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09082850
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Filing Dt:
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05/21/1998
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Title:
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SYSTEMS AND METHODS FOR PRODUCING STANDBY UNINTERRUPTIBLE POWER FOR AC LOADS USING RECTIFIED AC AND BATTERY
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Patent #:
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Issue Dt:
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09/19/2000
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Application #:
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09426347
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Filing Dt:
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10/25/1999
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Title:
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NOVEL CHARGER
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