TREA

Mark McElfresh

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  • Scottsdale, AZ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air treating device
    • Patent number 5,527,493
    • Issue date Jun 18, 1996
    • The Dial Corp
    • Mark W. McElfresh
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Air treating device
    • Patent number 5,478,505
    • Issue date Dec 26, 1995
    • Warner; Jim F.
    • Mark McElfresh
    • B60 - VEHICLES IN GENERAL