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Steven W. Sparks

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  • Cherry Hill, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of used lubricant oil recycling
    • Patent number RE36922
    • Issue date Oct 24, 2000
    • Mobil Oil Corporation
    • Steven W. Sparks
    • 208 - Mineral oils: processes and products
  • Information Patent Grant

    Process of used lubricant oil recycling
    • Patent number 5,143,597
    • Issue date Sep 1, 1992
    • Mobil Oil Corporation
    • Steven W. Sparks
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...