Patents by Inventor Edward Nordstrom

Edward Nordstrom 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).

  • Apparatus for retaining a tile in a secure position to prevent rotation while an opening is drilled through the tile
    Patent number: 4993895
    Abstract: An apparatus for retaining a tile in a secure position to prevent rotation while an opening is drilled through the tile. The apparatus includes a surface having a multiplicity of concentric interior stepped depressions, each interior depression set beneath and within another, with each respective depression sized to be slightly larger than the standard dimensions of a conventional tile. The respective depression can be used to securely hold its respective sized conventional tile while a transverse force is applied to the tile to create an opening through the tile.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: February 19, 1991
    Inventor: Edward Nordstrom