Patents by Inventor John N. Howell

John N. Howell 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).

  • Method and Apparatus for Measurement of Human Tissue Properties in Vivo
    Publication number: 20080200843
    Abstract: A method and apparatus that applies a predetermined force function to the surface of a test subject with a probe and measures the displacement of the probe as a function of applied force facilitates measurement of tissue properties accurately and quickly, in vivo, in a non-invasive manner. A haptic device may be used to apply the force function to the test subject according to a preprogrammed force function and to measure the resulting tissue displacement.
    Type: Application
    Filed: August 9, 2006
    Publication date: August 21, 2008
    Applicant: OHIO UNIVERSTIY
    Inventors: Robert L. Williams, John N. Howell, Robert R. Conatser, David H. Noyes, Janet M. Burns
  • Pool table
    Patent number: 4610450
    Abstract: A circular billiard or pool table having a plurality of pockets equally spaced around the table with the pockets being spaced radially inwardly from the perimeter of the table. A cushion rail around the perimeter of the table has inwardly projecting bumpers extending towards respective pockets, with the innermost edges of the bumpers being spaced from the respective pockets. The inwardly facing edge of the cushion rail forms a substantially concave smooth, continuous face between the bumpers.
    Type: Grant
    Filed: February 22, 1983
    Date of Patent: September 9, 1986
    Inventor: John N. Howell