Patents by Inventor Robert L. Blankenship

Robert L. Blankenship 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 installation spacer and method of use
    Patent number: 7650700
    Abstract: A tile installation spacer includes a circular disk having opposed, parallel surfaces, and opposed cylindrical first and second spacers extend away from the respective surfaces of the disk. The disk, the first cylindrical spacer, and the second cylinder each have a diameter. The diameter of the disk is greater than the diameter of the first cylindrical spacer and the diameter of the second cylindrical spacer, and the diameter of the first cylindrical spacer is greater than the diameter of the second cylindrical spacer.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: January 26, 2010
    Inventor: Robert L. Blankenship
  • Golf ball
    Patent number: D452720
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: January 1, 2002
    Inventor: Robert L. Blankenship