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Backup power system management
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Patent number 8,648,568
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Issue date Feb 11, 2014
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Hewlett-Packard Development Company, L.P.
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Peter McCollum
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Switching power supply
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Patent number 4,843,535
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Issue date Jun 27, 1989
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Nixdorf Computer AG
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Erich Fuchs
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Address generator
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Patent number 4,740,914
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Issue date Apr 26, 1988
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GTE Communication Systems Corporation
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Robert J. Abrant
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G06 - COMPUTING CALCULATING COUNTING
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3609385
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Patent number 3,609,385
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Issue date Sep 28, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3496450
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Patent number 3,496,450
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Issue date Feb 17, 1970
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G05 - CONTROLLING REGULATING
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3474324
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Patent number 3,474,324
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Issue date Oct 21, 1969
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G05 - CONTROLLING REGULATING
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3387141
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Patent number 3,387,141
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Issue date Jun 4, 1968
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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3343073
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Patent number 3,343,073
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Issue date Sep 19, 1967
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3258670
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Patent number 3,258,670
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Issue date Jun 28, 1966
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G01 - MEASURING TESTING
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3105910
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Patent number 3,105,910
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Issue date Oct 1, 1963
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2816262
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Patent number 2,816,262
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Issue date Dec 10, 1957
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G05 - CONTROLLING REGULATING
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2390818
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Patent number 2,390,818
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Issue date Dec 11, 1945
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2335167
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Patent number 2,335,167
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Issue date Nov 23, 1943
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2270708
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Patent number 2,270,708
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Issue date Jan 20, 1942
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1960683
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Patent number 1,960,683
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Issue date May 29, 1934
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1204155
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Patent number 1,204,155
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Issue date Nov 7, 1916
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1168263
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Patent number 1,168,263
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Issue date Jan 11, 1916
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1160608
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Patent number 1,160,608
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Issue date Nov 16, 1915
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1146926
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Patent number 1,146,926
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Issue date Jul 20, 1915
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1146924
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Patent number 1,146,924
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Issue date Jul 20, 1915
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER