TREA

Oskar Heumann

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  • Wiesbaden-Klarenthal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number 4,152,806
    • Issue date May 8, 1979
    • Blendax-Werke R. Schneider GmbH & Co.
    • Helmut Raaf
    • A46 - BRUSHWARE
  • Information Patent Grant

    Adjustable bristle toothbrush
    • Patent number 4,149,293
    • Issue date Apr 17, 1979
    • Blendax-Werke R. Schneider & Co.
    • Helmut Raaf
    • A46 - BRUSHWARE