Patents by Inventor Michael M. Dungjen

Michael M. Dungjen 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: D319177
    Type: Grant
    Filed: August 21, 1989
    Date of Patent: August 20, 1991
    Inventor: Michael M. Dungjen