TREA

Richard S. Blackburn

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  • South Royalton, VT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pellet burning stove
    • Patent number 5,137,012
    • Issue date Aug 11, 1992
    • Vermont Castings, Inc.
    • William W. Crossman
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Pellet burning stove
    • Patent number D327734
    • Issue date Jul 7, 1992
    • Vermont Castings, Inc.
    • Vance R. Smith
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Fireplace front
    • Patent number D327735
    • Issue date Jul 7, 1992
    • Vermont Castings, Inc.
    • Vance R. Smith
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Gas log fireplace with high heat output
    • Patent number 5,092,313
    • Issue date Mar 3, 1992
    • Vermont Castings, Inc.
    • Richard S. Blackburn
    • F24 - HEATING RANGES VENTILATING