TREA

Stephen A. Schafer

Follow

Person

  • Dickinson, ND, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel stoker and furnace
    • Patent number 4,548,194
    • Issue date Oct 22, 1985
    • Tony L. Schafer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Fuel stoker and furnace
    • Patent number 4,454,860
    • Issue date Jun 19, 1984
    • Schafer; Stephen A.
    • Tony L. Schafer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Fuel stoker and furnace
    • Patent number 4,430,948
    • Issue date Feb 14, 1984
    • Western Heating, Inc.
    • Tony L. Schafer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES