TREA

Frontier, Inc.

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Organization

  • Dundee, MI, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Burner for gas burning apparatus
    • Patent number 5,575,640
    • Issue date Nov 19, 1996
    • Frontier, Inc.
    • Gordon W. Fenn
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Heat exchanger
    • Patent number 5,566,648
    • Issue date Oct 22, 1996
    • Frontier, Inc.
    • Gordon W. Fenn
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Burner for burning apparatus
    • Patent number 5,567,147
    • Issue date Oct 22, 1996
    • Frontier, Inc.
    • Gordon W. Fenn
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Gas quick water heater
    • Patent number 5,526,776
    • Issue date Jun 18, 1996
    • Frontier, Inc.
    • Gordon W. Fenn
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot-water thermoregulating valve
    • Patent number 5,503,183
    • Issue date Apr 2, 1996
    • Frontier, Inc.
    • Gordon W. Fenn
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Ultra-high efficiency on-demand water heater and heat exchanger
    • Patent number 5,365,887
    • Issue date Nov 22, 1994
    • Frontier, Inc.
    • Gordon W. Fenn
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Skin stimulation device
    • Patent number 5,279,284
    • Issue date Jan 18, 1994
    • Frontier, Inc.
    • Gordon W. Fenn
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE