TREA

Barry O. Christenson

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  • Fargo, ND, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Exhaust management system
    • Patent number 5,749,223
    • Issue date May 12, 1998
    • General Motors Corporation
    • John Eric Kreucher
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Catalyst heater assembly
    • Patent number 5,695,722
    • Issue date Dec 9, 1997
    • General Motors Corporation
    • Stephen Joe Myers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Low restriction exhaust treatment apparatus
    • Patent number 5,058,381
    • Issue date Oct 22, 1991
    • General Motors Corporation
    • Barry O. Christenson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES