Patents by Inventor David Alan Weir

David Alan Weir 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).

  • Viewer for laser-inscribed diamonds
    Patent number: 6710943
    Abstract: A hand-held gemstone viewing scope includes a slidable armature movable relative to a base and defining a viewer housing a lens. A platform is rotatably connected to a top end of the base and configured to adjustably mount a gemstone or ring in line with the lens. A gem laser inscription is determined by mounting a ring or gemstone in line with the lens, moving the armature to focus the lens on the gemstone, and rotating the platform until the gem inscription is located.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: March 23, 2004
    Inventor: David Alan Weir
  • Hand-held gemstone viewing scope
    Publication number: 20020171946
    Abstract: A hand-held gemstone viewing scope includes a slidable armature movable relative to a base and defining a viewer housing a lens. A platform is rotatably connected to a top end of the base and configured to adjustably mount a gemstone or ring in line with the lens. A gem laser inscription is determined by mounting a ring or gemstone in line with the lens, moving the armature to focus the lens on the gemstone, and rotating the platform until the gem inscription is located.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 21, 2002
    Inventor: David Alan Weir
  • Ideal cut diamond symmetry and proportion viewer
    Patent number: D480097
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: September 30, 2003
    Inventor: David Alan Weir