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Don M. Houlberg

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  • Port Washington, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solenoid activated spring clutch
    • Patent number 4,326,613
    • Issue date Apr 27, 1982
    • Joerns Furniture Company
    • Don M. Houlberg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...