TREA

Fred Patrick

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  • Chicago, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Degausser/demagnetizer
    • Patent number 4,672,345
    • Issue date Jun 9, 1987
    • Electro-Matic Products Co.
    • Kenneth M. Littwin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Degausser/demagnetizer
    • Patent number 4,639,821
    • Issue date Jan 27, 1987
    • Electro-Matic Products Co.
    • Kenneth M. Littwin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Demagnetizing apparatus and method
    • Patent number 4,470,094
    • Issue date Sep 4, 1984
    • Electro-Matic Products Co.
    • Joseph A. Armond
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for packaging magnetic articles
    • Patent number 4,388,792
    • Issue date Jun 21, 1983
    • Electro-Matic Products Co.
    • Joseph A. Armond
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL