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Spark plug
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Patent number 10,714,904
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Issue date Jul 14, 2020
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NGK Spark Plug Co., Ltd.
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Tatsuya Gozawa
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H01 - BASIC ELECTRIC ELEMENTS
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Spark plug
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Patent number 9,912,125
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Issue date Mar 6, 2018
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NGK Spark Plug Co., Ltd.
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Haruki Yoshida
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H01 - BASIC ELECTRIC ELEMENTS
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Heater equipped spark plug
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Patent number 6,060,821
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Issue date May 9, 2000
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NGK Spark Plug Co., Ltd
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Takahiro Suzuki
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H01 - BASIC ELECTRIC ELEMENTS
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-
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Primer valve for model engines
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Patent number 3,980,067
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Issue date Sep 14, 1976
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Richard C. Remington
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3851637
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Patent number 3,851,637
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Issue date Dec 3, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3680538
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Patent number 3,680,538
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Issue date Aug 1, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3589348
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Patent number 3,589,348
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Issue date Jun 29, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3502055
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Patent number 3,502,055
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Issue date Mar 24, 1970
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3449638
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Patent number 3,449,638
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Issue date Jun 10, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3434461
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Patent number 3,434,461
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Issue date Mar 25, 1969
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3087980
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Patent number 3,087,980
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Issue date Apr 30, 1963
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H01 - BASIC ELECTRIC ELEMENTS
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2889440
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Patent number 2,889,440
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Issue date Jun 2, 1959
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H01 - BASIC ELECTRIC ELEMENTS