TREA

Russ J. Ewert

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  • Calgary, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sprocket wheel
    • Patent number 4,472,164
    • Issue date Sep 18, 1984
    • Canadian Foremost, Ltd.
    • Allen A. Pusch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Outrigger
    • Patent number 4,116,467
    • Issue date Sep 26, 1978
    • Canadian Foremost Ltd.
    • Russ J. Ewert
    • B66 - HOISTING LIFTING HAULING