Patents by Inventor Mark James Letherer

Mark James Letherer 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).

  • Tile sign method
    Patent number: 6560841
    Abstract: An apparatus and method for building signs combining tile and wood, such as but not limited to nameplates, is disclosed. The nameplates are produced in several steps, including woodworking, sanding, tile-cutting, stencil-applying, sandblasting, and polishing.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: May 13, 2003
    Inventors: Mark James Letherer, Christopher Mark Tanner
  • Nameplate
    Patent number: D470534
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 18, 2003
    Inventors: Mark James Letherer, Christopher Mark Tanner