Patents Assigned to RICHLINE GROUP, INC.
  • FANCY COLOR SILVER CONTAINING ALLOYS
    Publication number: 20170002446
    Abstract: The present invention is directed to a formulation of one or more low silver containing alloys (including those with silver content below 50 weight %, “w %”) that show one of the group of distinct pink, yellow and green colors and further demonstrate enhanced resistance to tarnish and other beneficial features described herein.
    Type: Application
    Filed: September 16, 2016
    Publication date: January 5, 2017
    Applicant: RICHLINE GROUP, INC.
    Inventor: Grigory RAYKHTSAUM
  • REVERSIBLY AGE HARDENABLE, PALLADIUM CONTAINING TARNISH RESISTANT STERLING SILVER ALLOYS
    Publication number: 20140127075
    Abstract: A silver-based alloy composition which is soft and workable in an annealed condition, is hardenable through heat treatment, and is tarnish resistant. The preferred embodiment of the composition of the present invention includes a small percentage of palladium and a reduction from typical percentages of copper found in a sterling silver alloy. In one embodiment the silver-based alloy includes no copper at all.
    Type: Application
    Filed: October 3, 2013
    Publication date: May 8, 2014
    Applicant: RICHLINE GROUP, Inc.
    Inventor: Grigory RAYKHTSAUM
  • JEWELRY ARTICLE WITH FORMED ILLUSION PLATE
    Publication number: 20140013800
    Abstract: The present invention is directed to an ornament which gives the aesthetic appearance of a gemstone in a setting, but includes an illusion plate in a well so as to accentuate any material resting on the plate.
    Type: Application
    Filed: October 16, 2012
    Publication date: January 16, 2014
    Applicant: RICHLINE GROUP, INC.
    Inventors: Surasit SRIORATHAIKUL, Michael MILGROM