John T. Brandell

Person

  • Duncan, OK, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DOWNHOLE PLUG APPARATUS

    • Publication number 20140311752
    • Publication date Oct 23, 2014
    • Halliburton Energy Services, Inc.
    • Steven G. Streich
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Multiple zones frac tool

    • Publication number 20030183391
    • Publication date Oct 2, 2003
    • Iosif J. Hriscu
    • E21 - EARTH DRILLING MINING