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Duane R. Deardorff

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  • Ephrata, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust system for a grinder-mixer
    • Patent number 4,213,571
    • Issue date Jul 22, 1980
    • Sperry Corporation
    • Duane R. Deardorff
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...