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Continuously variable gear drive transmission
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Patent number 4,854,190
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Issue date Aug 8, 1989
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United States of America as represented by the Secretary of the Air Force
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Vann Yuen Won
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sheet metal liquid atomizer
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Patent number 4,790,482
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Issue date Dec 13, 1988
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Vann Y. Won
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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Fuel vapor generator
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Patent number 4,551,153
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Issue date Nov 5, 1985
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Vann Y. Won
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Top feeding liquid atomizer
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Patent number 4,511,084
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Issue date Apr 16, 1985
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Vann Y. Won
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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