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John D. Vermeulen

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  • Grand Rapids, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    System for characterizing skin condition
    • Patent number 7,811,232
    • Issue date Oct 12, 2010
    • Chameleon Development LLC
    • J. Dirk Vermeulen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Skin condition indicator
    • Patent number 7,566,303
    • Issue date Jul 28, 2009
    • Chameleon Development LLC
    • J. Dirk Vermeulen
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE