David S. Haghiri

Person

  • Ashley, OH, US

Patents Grantslast 30 patents

  • Information Patent Grant

    High strength steel tubing

    • Patent number 6,518,533
    • Issue date Feb 11, 2003
    • LTV Steel Company, Inc.
    • David S. Haghiri
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...