TREA

William H. Frank

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  • Anchorage, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Step signal
    • Patent number 6,578,663
    • Issue date Jun 17, 2003
    • Green Bull, Inc.
    • Thomas J. Schmitt
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Rung lock and latch assembly for an extension ladder
    • Patent number 5,429,207
    • Issue date Jul 4, 1995
    • Emerson Electric Co.
    • William H. Frank
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
  • Information Patent Grant

    Ladder and method of construction therefor
    • Patent number 4,177,879
    • Issue date Dec 11, 1979
    • Emerson Electric Co.
    • William H. Frank
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    STEP SIGNAL
    • Publication number 20030057019
    • Publication date Mar 27, 2003
    • Thomas J. Schmitt
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS