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Robert W. Johnson

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  • Bucks County, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable lamp
    • Patent number D269913
    • Issue date Jul 26, 1983
    • Exide Electronics Corporation
    • Robert W. Johnson
    • D26 - Lighting
  • Information Patent Grant

    Emergency lighting unit
    • Patent number D269553
    • Issue date Jun 28, 1983
    • Exide Electronics Corporation
    • Robert W. Johnson
    • D26 - Lighting