Michael L. Haddy

Person

  • Harlinger, TX, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Packerhead with elastic rollers

    • Patent number 4,690,631
    • Issue date Sep 1, 1987
    • Hydrotile Machinery Company
    • Michael L. Haddy
    • B28 - WORKING CEMENT, CLAY, OR STONE