TREA

Harald Opolka

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  • Solingen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flashlight
    • Patent number D563007
    • Issue date Feb 26, 2008
    • Zweibruder Optoelectronics GmbH
    • Harald Opolka
    • D26 - Lighting
  • Information Patent Grant

    Underwater torch lamp
    • Patent number D507366
    • Issue date Jul 12, 2005
    • Zweibruder Optoelectronics GmbH
    • Harald Opolka
    • D26 - Lighting
  • Information Patent Grant

    Pole lamp
    • Patent number D488249
    • Issue date Apr 6, 2004
    • Zweibruder Optoelectronics GmbH
    • Harald Opolka
    • D26 - Lighting