TREA

Donald M. Wilhelm

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  • Merrimack, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Counter flow cooler
    • Patent number 5,709,035
    • Issue date Jan 20, 1998
    • California Pellet Mill Company
    • Donald M. Wilhelm
    • F26 - DRYING
  • Information Patent Grant

    Counter flow cooler
    • Patent number 5,701,683
    • Issue date Dec 30, 1997
    • California Pellet Mill Company
    • Donald M. Wilhelm
    • F26 - DRYING
  • Information Patent Grant

    Polylobe drive element
    • Patent number 4,288,998
    • Issue date Sep 15, 1981
    • California Pellet Mill Company
    • Andrew C. Schnur
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...