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David L. Stevenson

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  • Corunna, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pressure regulator
    • Patent number 4,458,712
    • Issue date Jul 10, 1984
    • Schmelzer Corporation
    • David L. Stevenson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Coolant injector
    • Patent number 4,440,116
    • Issue date Apr 3, 1984
    • Schmelzer Corporation
    • David L. Stevenson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS