Patents by Inventor Robert J. Fiedor

Robert J. Fiedor 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).

  • Surface inspection device and method
    Patent number: 4914828
    Abstract: A method and apparatus for measuring surface irregularities on articles such as curved automotive glass are provided wherein two contact points on a sensor head establish a chord at a segment of the surface and a probe measures the distance of the surface from the chord between the contact points, thereby permitting calculation of the local radius of curvature as the surface is scanned.
    Type: Grant
    Filed: August 9, 1988
    Date of Patent: April 10, 1990
    Assignee: PPG Industries, Inc.
    Inventors: Robert J. Fiedor, Aloysius W. Farabaugh