John EWANEK

Person

  • Calgary, CA

Patents Applicationslast 30 patents

  • Information Patent Application

    MUD SKID

    • Publication number 20150144639
    • Publication date May 28, 2015
    • CANADIAN ENERGY SERVICES L.P.
    • John EWANEK
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL