TREA

Karl Fritze

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  • Denmark Township, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter manifold connector
    • Patent number D472604
    • Issue date Apr 1, 2003
    • PentaPure Incorporated
    • Karl Fritze
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Filter cartridge connector
    • Patent number D472299
    • Issue date Mar 25, 2003
    • PentaPure Incorporated
    • Karl Fritze
    • D23 - Environmental heating and cooling