Patents by Inventor David L. Hamil

David L. Hamil 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).

  • Patent number: 4901361
    Abstract: Method of producing spall analysis data indicative of the number, size and locations of a substantial number of highly irregularly shaped spall holes, having widely varying sizes, formed within a spall panel by a projectile. A photograph of the panel is electronically scanned by a vidicon on a row by row basis, and the resulting pulse train is manipulated by a digital computer employing particular algorithms to produce the spall analysis data.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: February 13, 1990
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Joseph G. Glenn, David L. Hamil