Patents by Inventor Susan M. Johnson

Susan M. Johnson 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: D320670
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: October 8, 1991
    Inventors: Michael W. Johnson, Susan M. Johnson