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David A. Duncan

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  • Willoughby Hills, OH, US
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Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICANT FOR TWO-STROKE CYCLE ENGINES
    • Publication number 20190119594
    • Publication date Apr 25, 2019
    • The Lubrizol Corporation
    • Michael J. Marcella
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Reducing High-Aqueous Content Sludge in Diesel Engines
    • Publication number 20110224115
    • Publication date Sep 15, 2011
    • The Lubrizol Corporation
    • John J. Mullay
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...