TREA

Leonard Arden Briese

Follow

Person

  • Harbor City, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Frustum cutting bit arrangement
    • Patent number 6,102,486
    • Issue date Aug 15, 2000
    • Briese Industrial Technologies, Inc.
    • Leonard A. Briese
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary spade drill arrangement
    • Patent number 6,044,919
    • Issue date Apr 4, 2000
    • Briese Industrial Technologies, Inc.
    • Leonard Arden Briese
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary drill arrangement
    • Patent number 6,026,916
    • Issue date Feb 22, 2000
    • Briese Industrial Technologies, Inc.
    • Leonard Arden Briese
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof bolt bit
    • Patent number 6,026,918
    • Issue date Feb 22, 2000
    • Briese Industrial Technologies, Inc.
    • Leonard Arden Briese
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Frustum cutting bit arrangement
    • Patent number 5,873,423
    • Issue date Feb 23, 1999
    • Briese Industrial Technologies, Inc.
    • Leonard Arden Briese
    • E21 - EARTH DRILLING MINING