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David Drury

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  • Colorado Springs, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic internal combustion engines
    • Patent number 8,596,230
    • Issue date Dec 3, 2013
    • Sturman Digital Systems, LLC
    • Oded Eddie Sturman
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic Internal Combustion Engines
    • Publication number 20110083643
    • Publication date Apr 14, 2011
    • STURMAN DIGITAL SYSTEMS, LLC
    • Oded Eddie Sturman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES