David B. Wagner

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Reamer assembly

    • Patent number 10,428,586
    • Issue date Oct 1, 2019
    • Inrock Drilling Systems, Inc.
    • David B. Wagner
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents