TREA

David E. Kifer

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  • Parma, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roof flashing
    • Patent number 4,903,997
    • Issue date Feb 27, 1990
    • Oatey Co.
    • David E. Kifer
    • E04 - BUILDING
  • Information Patent Grant

    Roof flashing
    • Patent number 4,526,407
    • Issue date Jul 2, 1985
    • Oatey Co.
    • David E. Kifer
    • E04 - BUILDING
  • Information Patent Grant

    Laundry outlet box
    • Patent number 4,410,004
    • Issue date Oct 18, 1983
    • Oatey Co.
    • David E. Kifer
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...