Patents by Inventor Igor Shersher

Igor Shersher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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