David A. Preshaw

Person

  • Workington, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling roll

    • Patent number 5,651,410
    • Issue date Jul 29, 1997
    • Davy McKee (Sheffield) Limited
    • Robert Maidens Perry
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Device for cooling molten material

    • Patent number 5,368,089
    • Issue date Nov 29, 1994
    • Davy (Distington) Limited
    • Timothy Reynolds
    • B22 - CASTING POWDER METALLURGY