Patents Assigned to Alexander Primak Jewelry, Inc.
  • Platinum alloy composition
    Patent number: 6048492
    Abstract: An improved platinum alloy composition is provided. The platinum alloy composition comprises platinum in an amount of about 58.5 weight percent, palladium as a filler metal in an amount between about 26.5 and 36.5 weight percent, and at least one of iridium, cobalt and ruthenium in an amount between about 5 and 15 weight percent.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: April 11, 2000
    Assignee: Alexander Primak Jewelry, Inc.
    Inventor: Igor Shersher