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Riley Dale Pelfrey

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  • St. Petersburg, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Internal combustion engine
    • Patent number 8,347,841
    • Issue date Jan 8, 2013
    • R. Dale Pelfrey
    • Riley Dale Pelfrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine
    • Patent number 8,151,755
    • Issue date Apr 10, 2012
    • Advanced Engine Technologies LLC
    • Riley Dale Pelfrey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS