Patents by Inventor William Dubnicka

William Dubnicka 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).

  • Publication number: 20040237587
    Abstract: An interchangeable stone mounting arrangement for alternately displaying one of multiple different precious stones. The mounting arrangement includes a base portion having a stone support surface that contacts a lower portion of each precious stone. An outer housing is threadedly engaged along the base portion and presents the stone through an annular face surface. An inner edge of the annular face surface contacts an upper portion of the precious stone to both frame the stone and press the stone into contact with the stone support surface.
    Type: Application
    Filed: April 1, 2004
    Publication date: December 2, 2004
    Inventor: William Dubnicka
  • Patent number: D445542
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: July 24, 2001
    Inventors: William Dubnicka, Tonya S. Eichelt
  • Patent number: D533479
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: December 12, 2006
    Inventor: William Dubnicka
  • Patent number: D407344
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: March 30, 1999
    Inventor: William Dubnicka