Patents Assigned to Lautrec Corporation
  • Sapphire coated gemstone
    Patent number: 9055792
    Abstract: The present invention provides a diamond simulant with greater similarity to a diamond than cubic zirconia. The present invention further provides a diamond simulant with durability, hardness, and optical features closer to that of a genuine diamond that previously afforded by other diamond simulants, such as cubic zirconia.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: June 16, 2015
    Assignee: Lautrec Corporation
    Inventors: Jack Malinowski, Gary Lacourt, Frank Calcagni