Patents by Inventor Edward F. Luhman, III

Edward F. Luhman, III 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 of repairing cracked windshields
    Patent number: 3988400
    Abstract: The invention provides a simple and safe way of repairing a crack occurring in a composite sheet of glass, such as a windshield, which has been struck by a hard object forming a small cone with its apex on the surface and its base against the film sheet which laminates the front and the back panes of glass together.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: October 26, 1976
    Inventor: Edward F. Luhman, III