Patents Assigned to Astrolite Inc.
  • Silver colored alloy with low percentage of nickel and copper
    Patent number: 5817195
    Abstract: A silver colored alloy highly tarnish resistant, sterling silver is provided or having included therein: 90% to 92.5% by weight Silver; 5.75% to 7.5% by weight Zinc; 0.25% to less than 1% by weight Copper; 0.25% to 0.5% by weight Nickel; 0.1% to 0.25% by weight Silicon; and 0.0% to 0.5% by weight Indium.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: October 6, 1998
    Assignee: Astrolite Inc.
    Inventor: Daniel Davitz