TREA

Francis E. Alexander

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  • Corvallis, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery Separator having different size ribs and method of making t...
    • Patent number 6,132,899
    • Issue date Oct 17, 2000
    • Amtek Research International LLC
    • James Young
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery separation
    • Patent number 5,985,484
    • Issue date Nov 16, 1999
    • Amtek Research International LLC
    • James Young
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery separator
    • Patent number 5,894,055
    • Issue date Apr 13, 1999
    • Amtek Research International LLC
    • James Young
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery separator and method of making
    • Patent number 5,789,103
    • Issue date Aug 4, 1998
    • AMTEK Research International LLC
    • James Young
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Battery separator
    • Patent number 5,679,479
    • Issue date Oct 21, 1997
    • AMTEK Research International LLC
    • James Young
    • H01 - BASIC ELECTRIC ELEMENTS