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John DYCK

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  • Edmonton, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Scraping element for a pipeline pig
    • Patent number 8,239,994
    • Issue date Aug 14, 2012
    • Opus Services, Inc.
    • John Dyck
    • B08 - CLEANING
  • Information Patent Grant

    Isolation tool
    • Patent number 5,924,454
    • Issue date Jul 20, 1999
    • Canadian Fracmaster Ltd.
    • John Dyck
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents