Patents Assigned to P.M. Refining, Inc.
  • Alloy compositions
    Patent number: 5045411
    Abstract: A gold based alloy containing gold, silver, copper, zinc, silicon, iron, boron, nickel and indium for the manufacture of gold articles is described which has a lower melting point, extended remelting capabilities, high resistance to cracking, improved color consistency and increased ductility.
    Type: Grant
    Filed: January 10, 1990
    Date of Patent: September 3, 1991
    Assignee: P.M. Refining, Inc.
    Inventors: Arthur D. Taylor, Malcolm Warren, Perry H. Berger