TREA

Drilling Measurements, Inc.

Follow

Organization

  • US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Wireline swivel and method of use
    • Patent number 5,468,153
    • Issue date Nov 21, 1995
    • Drilling Measurements, Inc.
    • Robert L. Brown
    • E21 - EARTH DRILLING MINING