TREA

Karl Winkler

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  • Bedford, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel cartridge
    • Patent number D796113
    • Issue date Aug 29, 2017
    • Schawbel Technologies LLC
    • Karl Winkler
    • D27 - Tobacco and smokers' supplies
  • Information Patent Grant

    Adaptor for a fuel cartridge
    • Patent number D776798
    • Issue date Jan 17, 2017
    • Schawbel Technologies LLC
    • Karl Winkler
    • D23 - Environmental heating and cooling