TREA

Charles L. Hoffmeyer

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of magnetic media milling
    • Patent number 5,183,214
    • Issue date Feb 2, 1993
    • E. I. Du Pont de Nemours and Company
    • Howard Zakheim
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Process and apparatus for magnetic media milling
    • Patent number 5,178,338
    • Issue date Jan 12, 1993
    • Howard Zakheim
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Magnetic media mill
    • Patent number 5,022,592
    • Issue date Jun 11, 1991
    • E. I. Du Pont de Nemours and Company
    • Howard Zakheim
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...