TREA

Donald H. Haydo

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  • Ellwood City, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable guide for rotating cylindrical member
    • Patent number 4,967,579
    • Issue date Nov 6, 1990
    • Italimpianti of America, Inc.
    • Donald H. Haydo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automatic die box positioning for drawblock
    • Patent number 4,926,668
    • Issue date May 22, 1990
    • Italimpianti of America Incorporated
    • Robert J. Rau
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...