Leonard S. Landriault

Person

  • Houston, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Seal with bellows style nose ring

    • Patent number 8,851,194
    • Issue date Oct 7, 2014
    • David L. Ford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded connector

    • Patent number 4,373,754
    • Issue date Feb 15, 1983
    • Hydril Company
    • Charles A. Bollfrass
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    SEAL WITH BELLOWS STYLE NOSE RING

    • Publication number 20120247788
    • Publication date Oct 4, 2012
    • Vetco Gray Inc.
    • David L. Ford
    • E21 - EARTH DRILLING MINING