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Impeller for water pumps
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Patent number 6,398,498
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Issue date Jun 4, 2002
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Eyvind Boyesen
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Glass lined containers
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Patent number 6,341,627
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Issue date Jan 29, 2002
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Eyvind Boyesen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Reed valve mechanism
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Patent number 5,373,867
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Issue date Dec 20, 1994
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Boyesen; Eyvind
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Eyvind Boyesen
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Float bowl for carburetors
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Patent number 5,368,788
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Issue date Nov 29, 1994
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Reed valve mechanism for engines
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Patent number 4,879,976
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Issue date Nov 14, 1989
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Motorcycle drive wheel suspension system
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Patent number 4,621,706
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Issue date Nov 11, 1986
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Motorcycle drive wheel suspension system
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Patent number 4,558,761
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Issue date Dec 17, 1985
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Two cycle internal combustion engine
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Patent number 4,235,206
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Issue date Nov 25, 1980
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Engine valve means and porting
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Patent number RE30425
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Issue date Nov 4, 1980
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Performance Industries, Inc.
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Eyvind Boyesen
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123 - Internal-combustion engines
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Two cycle internal combustion engine
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Patent number 4,202,299
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Issue date May 13, 1980
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Two cycle internal combustion engine
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Patent number 4,161,163
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Issue date Jul 17, 1979
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Performance Industries, Inc.
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Eyvind Boyesen
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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