TREA

Ernest Efstratis

Follow

Person

  • Birmingham, MI, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilator extension unit
    • Patent number 4,481,871
    • Issue date Nov 13, 1984
    • Ernest Efstratis
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Ventilation extension unit
    • Patent number 4,020,753
    • Issue date May 3, 1977
    • Ernest Efstratis
    • F24 - HEATING RANGES VENTILATING