Patents by Inventor Arthur B. Ritter

Arthur B. Ritter 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 and method for non-invasive measurement of stretch
    Patent number: 6324419
    Abstract: A method and apparatus for noninvasive, non-contacting measurement of stretches and deformations on the surface of a material or an object by utilizing changes which occur in the reflection characteristics of the material due to an applied stretch load is presented. The present invention may assume various embodiments for different applications, such as soft tissue stretch determination, plastic material deformation measurements and sensors which can be integrated into various measurement devices.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: November 27, 2001
    Inventors: Nejat Guzelsu, Thomas W. Findley, John Federici, Hans R. Chaudhry, Arthur B. Ritter