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Daniel J. Heffner

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  • Muscoda, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Breather valve, arrangement and method
    • Patent number 6,189,496
    • Issue date Feb 20, 2001
    • S & S Cycle, Inc.
    • Daniel J. Heffner
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS