TREA

David Margherio

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  • Ladd, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual directional power feed
    • Patent number 6,655,228
    • Issue date Dec 2, 2003
    • Spartan Tool, L.L.C.
    • David Margherio
    • B08 - CLEANING
  • Information Patent Grant

    Drain cleaning apparatus
    • Patent number 5,309,595
    • Issue date May 10, 1994
    • Spartan Tool Div. of Pettibone Corp.
    • Roy W. Salecker
    • B08 - CLEANING