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Riley Dale Pelfrey

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  • The Villages, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbo-piston engine
    • Patent number 9,719,469
    • Issue date Aug 1, 2017
    • Riley Dale Pelfrey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine
    • Patent number 9,518,482
    • Issue date Dec 13, 2016
    • Riley Dale Pelfrey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Internal Combustion Engine
    • Publication number 20150345406
    • Publication date Dec 3, 2015
    • Riley Dale Pelfrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS