CHIEFTAIN INTERNATIONAL, INC.

Organization

  • Dallas, TX, US

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Patents Applicationslast 30 patents

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  • Information Trademark

    73791339 - CHIEFTAIN

    • Serial number 73791339
    • Registration number 1640027
    • Filing date Apr 5, 1989
    • ALBERTA ENERGY COMPANY LTD.
    • 42 - Scientific and technological services and research and design relating thereto