John W. Trostle

Person

  • Allison Park, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Roof ridge ventilator system

    • Patent number 4,643,080
    • Issue date Feb 17, 1987
    • Aluminum Company of America
    • John W. Trostle
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Compensating clip for siding

    • Patent number 4,424,655
    • Issue date Jan 10, 1984
    • Aluminum Company of America
    • John W. Trostle
    • E04 - BUILDING