Dennis P. Buttleman

Person

  • Athens, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Extrusion die for tungsten alloys

    • Patent number 5,996,393
    • Issue date Dec 7, 1999
    • Osram Sylvania Inc.
    • Dennis P. Buttleman
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...