TREA

Suroff; Leonard W.

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  • Jericho, NY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Passive building vents
    • Patent number 5,080,005
    • Issue date Jan 14, 1992
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Automatic damper assembly
    • Patent number 4,697,736
    • Issue date Oct 6, 1987
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Passive building vents
    • Patent number 4,596,181
    • Issue date Jun 24, 1986
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Energy saver damper assembly
    • Patent number 4,591,092
    • Issue date May 27, 1986
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Energy saver damper assembly
    • Patent number 4,586,654
    • Issue date May 6, 1986
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Automatic damper assembly
    • Patent number 4,582,250
    • Issue date Apr 15, 1986
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Unidirectional vent
    • Patent number 4,567,816
    • Issue date Feb 4, 1986
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Incrementally adjustable vent
    • Patent number 4,557,183
    • Issue date Dec 10, 1985
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Energy saver damper assembly
    • Patent number 4,520,959
    • Issue date Jun 4, 1985
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Thermostatic assembly
    • Patent number 4,507,922
    • Issue date Apr 2, 1985
    • Suroff; Leonard W.
    • Stanley Kolt
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Automatic damper assembly
    • Patent number 4,501,389
    • Issue date Feb 26, 1985
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Automatic switch assembly
    • Patent number 4,466,402
    • Issue date Aug 21, 1984
    • Suroff; Leonard W.
    • Stanley Kolt
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Automatic damper assembly
    • Patent number 4,416,415
    • Issue date Nov 22, 1983
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Automatic fluid control assembly
    • Patent number 4,402,455
    • Issue date Sep 6, 1983
    • Suroff; Leonard W.
    • Stanley Kolt
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Automatic roof ventilator
    • Patent number 4,210,277
    • Issue date Jul 1, 1980
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Automatic ventilator
    • Patent number 4,123,001
    • Issue date Oct 31, 1978
    • Suroff; Leonard W.
    • Stanley Kolt
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

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