TREA

David M. Revak

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  • High Point, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Leak resistant battery cover
    • Patent number RE37901
    • Issue date Nov 5, 2002
    • Douglass Battery Manufacturing Company
    • Robert W. Fritts
    • 429 - Chemistry: electrical current producing apparatus, product, and process
  • Information Patent Grant

    Jar for industrial battery
    • Patent number D462938
    • Issue date Sep 17, 2002
    • David M. Revak
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Jar for industrial electric storage battery
    • Patent number 6,447,948
    • Issue date Sep 10, 2002
    • Accuma Corporation
    • David M. Revak
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Leak resistant battery cover
    • Patent number 5,843,593
    • Issue date Dec 1, 1998
    • Douglas Battery Manufacturing Company
    • Robert W. Fritts
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery cover
    • Patent number 5,840,439
    • Issue date Nov 24, 1998
    • Douglas Battery Manufacturing Company
    • Robert W. Fritts
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery cover
    • Patent number 5,731,100
    • Issue date Mar 24, 1998
    • Doulgas Battery Manufacturing Company
    • Robert W. Fritts
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Leak resistant battery cover
    • Patent number 5,683,830
    • Issue date Nov 4, 1997
    • Douglas Battery Manufacturing Company
    • Robert W. Fritts
    • H01 - BASIC ELECTRIC ELEMENTS