TREA

Frank Goodman

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Duct cleaning device
    • Patent number 6,269,519
    • Issue date Aug 7, 2001
    • Esteam Manufacturing Ltd.
    • Dave Harvey
    • B08 - CLEANING
  • Information Patent Grant

    Duct cleaning apparatus
    • Patent number 5,655,256
    • Issue date Aug 12, 1997
    • Hendrix; Tim
    • Bill Hendrix
    • B08 - CLEANING