Patents by Inventor Wayne W. Burkhardt

Wayne W. Burkhardt 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).

  • Safety spectacles frame front
    Patent number: D245781
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: September 13, 1977
    Assignee: American Optical Corporation
    Inventors: Wayne W. Burkhardt, Robert R. Fischlein