Roger M. Logan

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilizer for geophone

    • Patent number 5,434,828
    • Issue date Jul 18, 1995
    • Western Atlas International, Inc.
    • Roger M. Logan
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Geophone spring

    • Patent number 5,134,593
    • Issue date Jul 28, 1992
    • Western Atlas International Inc.
    • Roger M. Logan
    • G01 - MEASURING TESTING