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Spark plug
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Patent number 10,063,036
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Issue date Aug 28, 2018
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NGK Spark Plug Co., Ltd.
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Yohei Kozakai
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H01 - BASIC ELECTRIC ELEMENTS
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Spark plug RFI suppression sleeve
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Patent number 9,698,572
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Issue date Jul 4, 2017
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Fenix Manufacturing Solutions, LLC
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David Warren Canestrari
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Friction stir welding tool
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Patent number D762253
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Issue date Jul 26, 2016
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JAPAN TRANSPORT ENGINEERING COMPANY
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Takeshi Ishikawa
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D15 - Machines not elsewhere specified
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Spark plug
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Patent number 9,401,586
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Issue date Jul 26, 2016
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NGK Spark Plug Co., Ltd.
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Mai Nakamura
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H01 - BASIC ELECTRIC ELEMENTS
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Spark plug
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Patent number 9,166,376
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Issue date Oct 20, 2015
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NGK Spark Plug Co., Ltd.
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Jiro Kyuno
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H01 - BASIC ELECTRIC ELEMENTS
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Easily removable spark plug
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Patent number 8,365,694
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Issue date Feb 5, 2013
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NGK Spark Plug Co., Ltd.
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Akira Suzuki
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H01 - BASIC ELECTRIC ELEMENTS
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Spark plug
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Patent number 6,170,451
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Issue date Jan 9, 2001
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NGK Spark Plug Co., Ltd.
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Toru Moriya
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H01 - BASIC ELECTRIC ELEMENTS
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3061756
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Patent number 3,061,756
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Issue date Oct 30, 1962
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H01 - BASIC ELECTRIC ELEMENTS
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2946912
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Issue date Jul 26, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2900547
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H01 - BASIC ELECTRIC ELEMENTS
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2891187
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H01 - BASIC ELECTRIC ELEMENTS
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2871388
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H01 - BASIC ELECTRIC ELEMENTS
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2542903
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H01 - BASIC ELECTRIC ELEMENTS
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2459214
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Patent number 2,459,214
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H01 - BASIC ELECTRIC ELEMENTS
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2415979
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Issue date Feb 18, 1947
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H01 - BASIC ELECTRIC ELEMENTS
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2318440
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H01 - BASIC ELECTRIC ELEMENTS
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1856001
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Issue date Apr 26, 1932
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H01 - BASIC ELECTRIC ELEMENTS
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1723422
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Patent number 1,723,422
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Issue date Aug 6, 1929
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H01 - BASIC ELECTRIC ELEMENTS
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1717034
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Patent number 1,717,034
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Issue date Jun 11, 1929
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H01 - BASIC ELECTRIC ELEMENTS
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1691997
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Patent number 1,691,997
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Issue date Nov 20, 1928
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H01 - BASIC ELECTRIC ELEMENTS