Patents Assigned to Royal Chain Inc.
  • Jewelry article with double-tier diamond cut surface
    Patent number: 7104041
    Abstract: A jewelry piece made of metal and with a textured surface. The textured surface has: a first series of substantially parallel grooves made by a process of diamond-cutting the surface of the jewelry piece, the grooves having a depth, and a plurality of wells made by a second process of diamond-cutting the surface of the jewelry piece, the wells being deeper than the grooves.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: September 12, 2006
    Assignee: Royal Chain Inc.
    Inventor: Fred Sherman