TREA

A. Stephen Petrie

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  • Toronto, Ontario, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door mechanism
    • Patent number 5,099,769
    • Issue date Mar 31, 1992
    • A. Stephen Petrie
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Mechanism for feeding solid materials
    • Patent number 5,074,225
    • Issue date Dec 24, 1991
    • A. Stephen Petrie
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES