Patents by Inventor Milton E. Harr

Milton E. Harr 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).

  • Non-contact road profilometer and deflection meter
    Patent number: 4571695
    Abstract: A pavement deflection measurement system is disclosed which continuously and simultaneously measures both a pavement profile and its deflection under load.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: February 18, 1986
    Assignee: Purdue Research Foundation
    Inventors: David J. Elton, Milton E. Harr