TREA

Colin M. Gravning

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  • Oak Creek, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Luminaire
    • Patent number D822888
    • Issue date Jul 10, 2018
    • Oldenburg Group Incorporated
    • Michael Allan Arndt
    • D26 - Lighting
  • Information Patent Grant

    Lighting unit
    • Patent number D729429
    • Issue date May 12, 2015
    • Oldenburg Group Incorporated
    • Michael Allan Arndt
    • D26 - Lighting