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Donovan C. Evenstad

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  • Coraopolis, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust collector and filter bags therefor
    • Patent number 4,336,035
    • Issue date Jun 22, 1982
    • Wheelabrator-Frye Inc.
    • Donovan Evenstad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Jet pulse bag type collector
    • Patent number 4,251,244
    • Issue date Feb 17, 1981
    • Wheelabrator-Frye Inc.
    • Donovan C. Evenstad
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL