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Cooling system with increased efficiency
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Patent number 9,714,786
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Issue date Jul 25, 2017
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Rocky Research
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Uwe Rockenfeller
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Motor control apparatus
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Patent number 6,114,818
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Issue date Sep 5, 2000
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Canon Kabushiki Kaisha
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Toshihiko Ohtsubo
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Apparatus for use with a motor drive
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Patent number 4,323,828
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Issue date Apr 6, 1982
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Olympus Optical Co. Ltd.
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Katumi Terada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Apparatus for use with a motor drive
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Patent number 4,219,764
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Issue date Aug 26, 1980
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Olympus Optical Co., Ltd.
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Katumi Terada
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3484671
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Patent number 3,484,671
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Issue date Dec 16, 1969
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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2418104
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Patent number 2,418,104
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Issue date Mar 25, 1947
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1768760
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Patent number 1,768,760
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Issue date Jul 1, 1930
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1463168
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Patent number 1,463,168
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Issue date Jul 31, 1923
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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1044609
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Patent number 1,044,609
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Issue date Nov 19, 1912
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G11 - INFORMATION STORAGE
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894199
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Patent number 894,199
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Issue date Jul 28, 1908
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G11 - INFORMATION STORAGE
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818349
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Patent number 818,349
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Issue date Apr 17, 1906
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G11 - INFORMATION STORAGE