TREA

Edward Spencer

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  • La Grange, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Foldable work platform
    • Patent number RE30020
    • Issue date Jun 5, 1979
    • Little Giant Industries Inc.
    • Edward Spencer
    • 182 - Fire escape, ladder, or scaffold
  • Information Patent Grant

    Ladder platform
    • Patent number D248777
    • Issue date Aug 1, 1978
    • Little Giant Industries, Inc.
    • Edward Spencer
    • D25 - Building units and construction elements