Patents by Inventor Charles W. Lortz

Charles W. Lortz 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: D443396
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: June 5, 2001
    Inventors: Joan Ellen Bison, Charles W. Lortz